This research is a mixed-method research which is comprised of a quantitative research and a qualitative research. The Objectives of this research are all in the hotel business and are (1) to study the human resource management (2) to study the human resource management environment (3) to be a guideline for human resource management. This research project had a sample group of 100 personnel working in the hotel business in Bangkok along with interviews with 10 human resources department chiefs. The results of the research project: 1. Most of the respondents were female with a Bachelors degree single status Food & Beverage position and employment duration of working 1 - 5 years. Human resource management of hotel business in Bangkok was overall at a high level in areas of performance appraisal recruiting and selection training and development respectively. Guidelines for human resource management of hotel business in Bangkok was overall at a high level in areas of performance appraisal recruiting and selection compensation and welfare respectively. The personal data of the respondents having different levels of education affected the guidelines of human resource management of the hotel business in Bangkok. There were statistically significant differences at the 0.05 level in 2 aspects that are training/development and performance appraisal. 2. With regards to the human resource management environment of the hotel business the strength was that there was support for employees to promote career advancement. There were good human resource management strategies as well as profitable welfare strategies. The weaknesses were ineffective communication lack of good English language skills and third language skills as well as a high staff turnover rates. During the 2019 corona virus epidemic every hotel had to adjust its strategies for increasing revenues to be able to take care of personnel in its organization. The obstacle was that during the 2019 corona virus epidemic the country was shut down to control the spread of infection transmitted from tourists. As a result the hotels revenue had declined. Then there was a need to reduce the wage rate and to reduce employment for the hotel to survive.

The objectives of this research were 1) to study the problem of public relations of OTOP products in Bangkok and 2) to formulate a strategy to publicize Bangkok OTOP products. This is a qualitative research; studied from the document and interviews with a total of 5 key informants executives officer in the public relations of OTOP products in Bangkok and operators of OTOP products in Bangkok all 5 product categories The results were as following: 1. The problem of public relations for OTOP products in Bangkok; it was found that there were 11 issues of public relations issues namely 1) the administration of a special government agency affecting the work of public relations 2) Determining the person responsible for the public relations of Bangkok OTOP products that are inconsistent with the nature of the work 3) Adaptation of government agencies that are not keeping up with technology changes 4) Limited public relations budget. 5) Different entrepreneurs needs for distributing OTOP products in Bangkok. 6) Not dividing entrepreneurs by business size. 7) The ability to produce organic products that meet the needs of consumers appropriately 8) The image of OTOP products is not acceptable among Thai people 9) An application that is an intermediary in The market place has a high cost that operators have to pay for those applications. 10) In terms of organizing special events of OTOP Bangkok with a small number of OTOP entrepreneurs participating and some OTOP operators have to find channels for selfexhibiting in other provinces across the country where sales at trade shows have good sales. But have to pay in the shop or quite a lot of travel 11) Concerning the grouping of OTOP operators in Bangkok that is unclear and strong enough to perform the task As a result special events were not as successful as they should have been. 2.There are 9 strategies for public relations of OTOP products in Bangkok namely 1) strategies for fairing in special events of government agencies and private sectors 2) strategies for opening exhibition spaces for OTOP products in Bangkok 3) strategies for organizing OTOP products. Make public relations media in online and offline formats 4) Songwriting strategy for OTOP products in Bangkok 5) Online product distribution channel strategy 6) Telephone distribution channel strategy 7) Overseas distribution channel promotion strategy 8) Strategy Selection of Bangkok brands to enhance OTOP products in Bangkok 9) Strategies for storytelling in public relations

This research aims to study the demographic characteristics affecting the decision-making of the working-age group in Ratchathewi District Bangkok Thailand to buy clean food and examine the marketing mix influencing their decision-making. The study population comprised 68635 people aged between 21 and 59 years in the group mentioned above. The sample consisted of 397 people. Descriptive statistics frequency percentage mean and standard deviation (SD) and inferential statistics i.e. independent samples t-test one-way ANOVA Pearson correlation coefficient analysis and multiple regression analysis were used to analyze the collected data. The research results illustrated that demographic factors like the different ages and educational backgrounds caused differences in the decision-making to buy clean food at a statistically significant level of 0.05. Moreover the marketing mix involving product price and promotion positively impacted the overall decision-making to buy clean food. It also positively affected the decision process of the need arousal or problem recognition (ND) information search (IS) evaluation of alternatives (EA) purchasing decision (PD) and post-purchase behavior (PB). Furthermore the place positively impacted the overall decision-making only in the PB process. Since the product price and promotion affected each aspect of the decisionmaking process (ND IS EA PD and PB) it was recommended that the clean food shops should pay more attention to these aspects

This research aims to study the acceptance of financial transactions among the elderly people in Bangkok metropolitan classified by personal factors the features of mobile banking applications and the attitudes of using services of mobile banking applications that related to the acceptance of financial transactions of the elderly people in Bangkok metropolitan. The samples used in this research were 400 elderly people living in Bangkok metropolitan. Data were analyzed using descriptive statistics namely frequency percentage mean and standard deviation; and inferential statistics namely independent sample t-test One-Way ANOVA and Pearson’s correlation coefficient. The results were found that the overall acceptance of mobile banking applications was at a high level and when considering the acceptance in sub levels the intention to use mobile banking continuously in both the present and the future was accepted in the highest score followed by suggesting others to use the mobile banking application. The hypothesis test revealed that: 1) the differences of age educational level income and experience of using mobile banking applications differently affect the level of acceptance on using a financial transaction on mobile banking applications: 2) the features of mobile banking application in the gained benefits the ease of features in mobile banking applications and confidence are positively correlated with the overall acceptance of the usage of mobile banking applications: 3) the attitudes towards the use of knowledge-based mobile banking applications value/social influence and service usage behavior are positively correlated with the acceptance of mobile banking applications in both overall and sub-issues. For suggestion of further research the development of mobile banking applications enabling more elderly people to turn to use the service may need to consider different sample groups such as various educational levels. The features of the mobile banking application must be beneficial to the elderly people because it was the most correlated factor in building confidence of elderly people deciding to use mobile banking applications. In terms of attitude the Mobile Banking Application service providers need to further study the elderly people behavior in using mobile banking applications to improve the services to be the most appropriate services. Related agencies and government agencies can use the research results as a guideline for policymaking or strategic planning in designing suitable government services for the elderly people to receive better welfare that supports the entry into Thailands aging society.

The purposes of this research were 1) study the level of perceived usefulness perceived ease of use attitude towards social media and using social media of the elderly people in Bangkok 2) compare the use of social media for the elderly people classified by personal factors and 3) analyze the factors related to the use of social media for the elderly people in Bangkok. The quantitative approaches were applied by using questionnaire for data collection. The research samples were 320 elderly people in Bangkok. Descriptive and inference statistics were used; arithmetic mean standard deviation t-test One-Way ANOVA and Pearson correlation coefficient. The results were found that the results were found that the level of perceived usefulness perceived ease of use in social media were at a medium level (𝑥𝑥̅= 3.48 𝑥𝑥̅= 2.95). The elderlys attitude towards social media and using social media were at a high level (𝑥𝑥̅= 3.65 𝑥𝑥̅= 3.54). The hypothesis test revealed that: 1) the differences of age educational level and average monthly income affect the social media use of the elderly people differently was significant. 2) The perceived usefulness perceived ease of use and attitude towards social media were significant positively related to using social media of the elderly people in Bangkok.