The objective of the research is to identify the problems and needs in developing the English communication skills in the workplace of front office hotel staff in Nakhon Ratchasima province. The sample of the study are 420 front office hotel staff in management and operational level selected by using the area random sampling. The data collection approach employed in this study was mix method both questionnaire and interview. The collected data were then analyzed and compared by using frequency percentage mean and standard deviation. The findings were as follows: 1. Four English language skills (listening speaking reading and writing) are essential for all staff and listening is considered as the most important followed by speaking. 2. The main problems of using English in the workplace are writing and reading due to lack of confidence unfamiliarity with the grammatical structure and vocabulary. 3. All staff are desirable to develop English communication skills especially speaking and listening in different situation duties and responsibilities.

With the objective 1) to develop communication system operating simulation program using GUI MATLAB 2) To find the efficiency of communication system simulation program using GUI MATLAB and 3) To compare the calculation results from the developed program with the calculation results The parameters of the high frequency transmission line which were developed to be programmed Classified by type of transmission lines in the air depending on the frequency and use including two-wire transmission cables. Twin-plane transmission cables And coax signal transmission lines The program components are divided into 3 screens namely the main screen the main program screen And parameter calculation screen Systematic quality and efficiency checks by 5 experts That has specialized expertise The tools used in the research were the quality inspection evaluation form which is divided into 2 parts which are part 1 program testing and part 2 testing the statistical system used for data analysis including mean percentage and standard deviation. The research found that 1. The result of the development of communication system simulation program using GUI MATLAB with the structure of the program design Dividing operations into 3 main parts Namely the calculation of two signal transmission lines. The calculation of the twin plane transmission line program And the calculation of the coax transmission line program n each part of the program calculation there is a working principle of the program. Each part of the calculation of the program has a working principle of the program. Divided into the terms of the scope of the transmission line Calculate capacity Calculate the conductivity Calculate inductance Calculate resistance And calculate the impedance value In which all calculations can show calculation results Select the calculation of various transmission lines. The program that the research team developed The signal transmission line is divided according to the type of usage and frequency. There are 3 signal transmission lines which are two-wire transmission lines. Twin-plane transmission cables And coax signal transmission lines 2. The result of finding the efficiency of the communication system simulation program using GUI MATLAB is divided into 2 parts. Part 1 Result of the language order and ability test for all 5 sub-processes Is correct No errors in the process In which each working process is linked as designed Overall the system development can work without errors. And when evaluating system acceptance It was found that the developed program could be used as a research tool. When considering each aspect found that Design. Design standards Design quality And the structure that is not complicated design is accepted by experts As a percentage between 82% - 85% Working process sorting work process Understanding of working language is accepted by experts. As a percentage between 82% - 87% And in front of work how to work in each work Compliance with user needs is accepted by experts. As a percentage between 80% - 95% And part 2 finding the performance of the communication system simulation program using GUI MATLAB developed found that the developed program has a high level of performance (x ̅ = 4.16 S.D. = 0.35) 3. Comparison between the calculated results from the developed program and the calculated results With matching calculation results Therefore shows that The developed program can be used in place of efficient calculation by hand.

The objectives of this theses are: 1) to study the attitude motivation marketing mix and the decision to purchase second-hand brand name shoes from Facebook; 2 ) to compare personal factors i.e. gender age occupation education level that affecting decision to purchase second-handed brand name shoes from Facebook and; 3 ) to study factors affecting the decision to purchase second-handed brand name shoes from Facebook using the quantitative research methodology through an online survey tool in order to collect required data from 400 samples who actually purchased second-handed brand name shoes from 4 different Facebook pages. The pages were: 1) Second-handed shoes on Khao Lam Road FB Page 2) Taii Taew 2nd handed FB Page; 3) Shoes-Project FB Page; and 4) Cho Chopping FB Page. The data was analyzed by finding frequency percentage average t-test One-way Analysis of Variance and Enter Multiple Regression Analysis. The key research findings are: 1) Most of purchasers who decide to purchase second-handed shoes via Facebook are 215 males (62.50%) 162 are at aged over 51 years (40.50%) 178 are private business owners/entrepreneurs (44.50%) 214 posed bachelors degree or are currently studying (53%). 2) The study on motivation attitude for purchasing second-handed brand name shoes from Facebook found that respondents recognized cost saving as the most important key decision making factor in purchasing second-handed brand name shoes (x̅ = 4.36); followed by the user-friendly and uncomplicated purchasing process (x̅ = 4.19). 3) The study on motivation for purchasing the second-handed brand name shoes from Facebook found that the respondents recognized the importance of price advantage when comparing to the new brand name product (x̅ = 4.40) seconded by product limitation and availability in general local market (x̅ = 4.29). 4) Overall marketing mix factors of second-handed brand name shoes on Facebook was at high level (x̅ =3.79) in which price factor is at high level (x̅ = 4.32) followed by distribution factor ( x̅ = 4.23) product factor ( x̅ = 4.04) marketing promotion factor and market factor (x̅ = 3.89) respectively. 5) The study decision to purchase second-handed brand name shoes via Facebook found that respondents recognized the “convenience to purchase secondhanded brand name shoes via online channels fast and diverse in payment methods” as the most important factor (x̅ = 4.14) followed by personal preference (x̅ = 4.10). 6) From the hypothesis found that: 6.1) Gender age and education differences differentiated the decision to purchase second-handed brand name shoes from Facebook with a statistical significance at .05 level. 6.2) Attitude motivation and product marketing mix that included distribution sales & promotion affected the decision to purchase second-handed brand names shoes from Facebook with statistical significance at the .05 level.

The purposes of the study was to study the convenience store image consumers’ satisfaction and loyalty which was differentiated by demographic characteristics and to study relationship between convenience store image and consumers satisfaction and loyalty. The questionnaire was applied as a research tool. The population in this study were 384 consumers of 108 CP Fresh Mart stores in the Bangkok metropolitan area. The statistics used were Percentage Mean Standard deviation t-test one-way ANOVA and Pearsons correlation coefficient at statistical significance level of 0.05. The research result revealed demographic factors regarding consumers who shopped at CP Fresh Mart with different genders ages education levels average monthly income and the frequency of the use of service were dissimilar in terms of the consumer image consumer satisfaction and customer loyalty at the 0.05 level of significance. The convenience store image was positively correlated with the consumers’ satisfaction and loyalty statistically significant at the 0.01 level.

The objectives of this research is to study (1) The demographic of mobile users effected to mobile network’s decision making (2) The creating shared value of mobile network effected to mobile network users’ decision making. The sample population consisted of one thousand two hundred mobile network users. The instrument of research was a questionnaire. The Statistical Package for the Social Sciences (SPSS) for Windows computer program was applied for analyzing formulating and tabulating the data collected. The techniques of descriptive statistics used were percentage mean and standard deviation. Techniques of inferential statistics utilized were t-test one-way analysis of variance (ANOVA) in order to analyze differences between variables taken as a group. If there is a statistically significant differences found between pairs in a group Scheffé’s pair testing were deployed. Multiple Regression Analysis were applied in order to analyze the demographic of mobile users and creating shared value of mobile network effected to mobile network users’ decision making. The results were as following: 1. The all factor demographic of mobile users effected to mobile network’s decision making effected to mobile network’s decision making. 2. The creating shared value of 3 brands effected to mobile network’s decision making effected to mobile network’s decision making.