The purpose of this research are to investigate 1) personal factors of students majoring in Hotel and Tourism at Santirat Vocational College. 2) The students’ knowledge of trans fatty acids. 3) The students’ consumption behavior of trans fatty acids. 4) The relationship between the personal factors (gender age education average monthly income of students) and their knowledge of trans fatty acids. 5) The differences of consumption behavior among gender age education and average monthly income of students. The samples are 254 of vocational students. The questionnaire was used to collect the data. The statistics used to analyze data in this research were frequency percentage Mean Standard Deviation Chi-Square (χ2) t-test and ANOVA. The data was analyzed by statistical tools. It was found that most students knew very little about trans fatty acids. They sometimes consumed food with trans fatty acids. The finding also found that there were a relationship between knowledge of trans fatty acids and personal factors; gender age education and average monthly income of students with statistically significant level at .05. It was also found that different gender had different consumption behavior whereas age education average income of students were not different with statistically significant level at .05.

This research aims to 1) study current conditions trends in change management transformational leadership and service innovation in the future for hotel business survival in Southern Andaman provinces and 2) present survival model of hotel business in Southern Andaman provinces. The research methodology used in the study was Qualitative research by using the Delphi technique with 19 experts and added with quantitative research which the sample was 400 Thai consumers. The research results revealed that the current conditions of the hotel business in Southern Andaman provinces in the past most of the consumers were foreigners but from the effects of the epidemic causing change in consumer behavior. At present and in the future there will be more Thai consumers. Therefore business owners need to plan to support on Thai tourists by focus on natural attractions and increase in safety measures from the epidemic. Transformational leadership would focus on inspiration motivation. Service innovation in the future would focus on marketing innovation and reduce exposure. Survival model of hotel business in Southern Andaman provinces consist of 1) competitiveness 2) adaptability and 3) efficiency. Survival model of hotel business in Southern Andaman provinces checked by index of congruence (IOC) by 5 experts and found that index of congruence was greater than 0.50.

The objectives of the research were; 1) to Study the level of competitive advantage and 2) the factors that its influences through the competitive advantage. The population and sample group used in this research were an executive director owner manager general manager and the chief accountant and finance of 3-5 star hotels and resorts in Phuket by using questionnaire (IOC tested) the construct validity and reliability for 89 complete questionnaire that it was responded rate 23.18. The results of this investigation were as follows: 1) An efficiency of using asset to make a profit; Impact of competitive environment was found that the negative result in significant level at (α˂0.10). 2) Customer loyalty for products and services was found that the positive influencing factors such as good corporate governance at (α˂0.01); strategic management efficiency at (α˂0.01); and Internal controls effective following COSO at (α˂0.10) respectively. 3) Reputation of the business was found that the Positive influencing factors such as Internal controls effective following COSO (α ˂ 0.01); Good corporate governance and Strategic management efficiency at (α ˂ 0.05). and 4) Value of assets that value added to business was found that the positive influencing factors as well as Strategic management efficiency; Internal controls effective following COSO respectively in statistically significant level at (α ˂ 0.01). While the technology and innovation (α˂0.05) and good corporate governance positive that made the influences beyond the positive regression in statistically significant level at (α ˂ 0.10) respectively. Keywords : Competitive Advantage; Internal Controls Effective following COSO; Strategic Management Efficiency; Impacet of Competitive Environment; Good Corporate Governance; and Technology and Innovation