The purpose of this research was to develop an application for setting up price for goods in the community. The application helps the retailer calculate and determine the product price with the minimal risk. In order to assess the satisfaction of the application the samples used in this study were 30 community retailers and goods producers. The research found that the application was in good quality. The evaluation of satisfaction with the application was averagely 4.45 which was at a very high level. The application can be actually used in authentic circumstances.

The purposes of this study were to produce media and develop public relations for Wat Song Tham School and study satisfaction of the media used in public relations. The sample group of 50 samples who were teachers students of Wat Song Tham School and others. The statistics to analyze by using percentage average and standard deviation. The results of this study show that the sample group had satisfaction to public relations was the highest level (𝑥̅=4.56) and overall was at highest level including content (𝑥̅=4.66) and presentation (𝑥̅=4.61).

The purpose of this special project were to production of media for a campaign to clean the Cha-am beach area for Cha-am Municipality and to assess the satisfaction of the general public towards media by using the tool was online questionnaire to measure the satisfaction of the general public towards media and publicize for Cha-am Municipality with 200 samples. Frequency analysis mean deviation and percentage. Ecotourism media satisfaction at a high level.

The purposes of the research were (1) to study CAT Telecom Public Company Limited (CAT) staffs perception of organizational communication (2) to study CAT staffs’ efficiency of organizational communication (3) to study the comparison of the differences on personal aspect and efficiency of organizational communication (4) to study perception of organizational communication related to efficiency of organizational communication. The sample group was 380 samples who were CAT staffs all over the country. The questionnaires were distributed to the selected respondents in order to collect data. The statistical methods used to analyze data were frequency percentage mean standard deviation t-test One-way analysis of variance and Pearson product moment correlation coefficient. The results indicated the majority of female respondents for 60.26 percent. The bachelor’s degree or equivalence comprised 48.95 percent. There were experience group from 6-10 years was 28.68 percent and 70.26 percent of work in central location. The CAT staffs’ perception of organizational communication was in high level (xˉ=3.79). Considering each aspect found that all aspect were in high level included receiving message aspect (xˉ=3.80) interesting in message (xˉ=3.63) ability to remember the message (xˉ=3.71) and credibility of message (xˉ=3.99). The overview of efficiency of organizational communication of CAT was in high level (xˉ=3.70). Considering each aspect found that all aspect were in high level included sender (xˉ=3.72) message (xˉ=3.72) channel (xˉ=3.64) and receiver (xˉ=3.74). The result of the hypothesis found that: Personal aspect was the difference on education experience and work location had different efficiency of organizational communication with statistical significance at level .05 while different gender showed no differences of the efficiency of organizational communication. The perception of organizational communication was unrelated to the efficiency of organizational communication. xˉ=3.72) message (xˉ=3.72) channel (xˉ=3.64) and receiver (xˉ=3.74).

The objective of this research is to study the techniques of profit quality analysis and the consistency of the profit quality with different profit quality analysis techniques; and to compare profit sustainability between large companies and small companies of the industrial energy and utilities group and the petrochemical and chemical group. The data is collected from financial statements and data entry forms (Form 56-1) from 2012 to 2018. A total of 47 companies are analyzed using descriptive statistics including mean and standard deviation; and inferential statistics including multiple regression analysis and analysis of the average difference between 2 groups The research found that in the analysis of the profit quality consistency in all 4 methods there were only 13 companies in the energy and utilities group with consistent quality of profits accounting for 39.39%; and 20 with inconsistent results accounting for 60.61%. In the petrochemical and chemical group there was only 1 company with consistent quality in all 4 methods representing 7.14%; and 13 companies with inconsistent quality representing 92.86%. In addition when comparing the profit sustainability between large companies and small companies it was found that there was no statistical difference in profit sustainability (sig = 0.305> 0.05). When comparing the profit sustainability between energy and utilities group and the petrochemical and chemical group it was found that petrochemical and chemical companies had a higher profit sustainability than the energy and utilities group at statistical significance of 0.01 (sig = 0.009 <0.01).