This research focuses on the raw-material management such as fuel of a case study company being a freight forwarder in Chonburi province. The objective is to determine the economic order quantity (EOQ) and the reorder point (ROP) that minimize the total cost of handling. Five forecasting techniques are investigated to predict the future demand and it was found that the time series decomposition was the most suitable method with the least error. At the result of demand forecasting the economic order quantity is 16308.89 liters per time the total cost of handling the fuel tank is 17287.43 baht and there are ordering around 19 times per year. In addition the sensitivity study on demand factors affecting the cost of fuel tank management are also considered in this paper. It was found that 21% of the increased fuel demand brings the total handling cost is 1728.74 baht or increasing 10%. Therefore ordering economically can reduce the total cost of 1295.97 baht or 6.85%. If the company brings the studied results to improve the ordering process it will be able to forecast the order quantity more appropriately and effectively.

This research aimed to study consumer demand for food truck consumption decisions and to study food truck investment guidelines a case study: Huai Khwang Chatuchak and Lat Phrao. of 400 persons was a questionnaire. The statistics used were frequency percentage standard deviation. t-test F-test และ Chi-Square (𝑥2) The study found that Most of the consumers are female aged 21-30 years with a bachelors degree. Occupation student / student The cost of using the service per time 101-500 baht frequency for using the service 2-3 times / week The results of the study of consumer demand factors in making decisions on food truck consumption were found that the overall level was at a high level which was found to be the most cost factor. (𝑥̅ = 4.36) Followed by economic factors (𝑥̅ = 4.35) The results of the relationship between demographic factors and food truck service behavior in Bangkok showed that age affected the behavior of choosing to use food trucks in terms of expenses. Times you use food truck service And the frequency of using food truck service The status affects the behavior of choosing to use the food truck service on the cost of each time you use the food truck service. The educational level influenced the behavior of choosing to use the food truck service in terms of the cost of each service used and the frequency of using the service. Occupations affect the behavior of choosing to use food trucks as well as the costs of each time using food trucks. And information sources that affect the decision to use the food truck service Occupational income affects the behavior of choosing to use food truck services on the expenses of each time using food truck services. And the frequency of using food truck service Statistically significant at the 0.05 level.

The research on opinions and demands of viewers digital TV via applications has objectives as follows 1. to study the opinions and needs of users who view digital TV via application; 2. to study the opinions and needs of the management from agencies organizations public sector private sector state enterprises and scholars involving in television media industry; 3. to establish guidelines for developing appropriate program format for digital TV application. The researcher used mixed research methodologies by combining two methodologies qualitative research and quantitative together. Both methodologies were used in conducting this research simultaneously in a single period. Data of both methodologies was collected and analyzed separately whereas the results were combined and interpreted. Then the results were discussed by comparing the similarity and difference of both methodologies. The qualitative research methods consisted of document review observation and in-depth interview. The quantitative research methods consisted of questionnaire from sample groups and statistical analysis. Research results revealed that according to opinions and demands of viewers digital TV via applications (most people downloaded digital TV viewing application on Android platform) the most watched channel is channel 8; on average they watched digital TV 5 days per week with minimum 3 hours of viewing time; the types of program that people watch regularly were dramas which they can watch offline afterwards. Overall the users had positive attitude towards their experience in using digital TV application with average score totalling 3.96. The factor that received the highest score was the convenience of using digital TV application which received average scores totalling 3.96 (agree). The second highest score which totalled 3.85 (agree) was usefulness. Usage protocol received 3.79 scores (agree) and service received 3.56 scores (agree). The most important factor according to the sample groups when choosing digital TV application was quality. Features format and structure were then considered respectively. As for the opinions of the management from agencies organizations public sector private sector state enterprises and scholars involving in television media industry they wished to see constant development in digital TV programs that would keep up with the ever changing technology as well as marketing factors relating to advertising incomes and other incomes.

The objectives of this research to investigate 1) the level of elderly acceptance of technology and support. 2) Individual factors influence the elderly learning. The quantitative approach was applied by using questionnaire in data collection. Data was collected from 320 elderly people. Descriptive and inference statistics were used: percentage mean standard deviation Pearson correlation and multiply regression analysis. The findings indicates that there is the highest level of elderly acceptance of technology and support. The elderly people also use the Internet mainly to communicate with others followed by watching movies and listening to music. The most important technology support for the elderly is the Internet and computer use in a public place such as library hospital and elderly center with an expert encouragement. Provide knowledge and skills for the elderly using technology is the second most important technology support. Factors influencing the elderly learning in technology media are as follows: 1) Individual factors: the level of education occupation current salary and computer experience. This factor can explain the influence is 24.6 percent. 2) The elderly acceptance of technology 3) Technological support for the elderly. These two factors can explain the influence is 39.7 percent.

This study aims to survey the demand of the sub district administrative staffs in Phitsanulok province for self-development about administrative knowledge. The result showed that the essential knowledge for administration in the sub district administration organization requested via staffs was divided into 7 aspects. Knowledge development in financial accounting and taxation computer management profession education public health and environment was in the high level requirement whereas they have a medium level need for marketing knowledge improvement. Computer and the Internet were the highest requests. The follow was the knowledge about waste management. The effective and proper methods for knowledge development should be two day workshop in weekday (Monday to Friday) and the most available time was daytime (08:00–16:00). The speakers should be the government or public organization rather than private sector. The most proper total budgets (including food drink and documents) for workshop ranged from 500–1000 baht.