The purposes of this research were: 1) to study the effectiveness of customer relationship management influence the customer trust on service quality on private vehicle inspection service in Phra Nakorn Si Ayutthaya 2) to study the customer loyalty influence the customer trust on service quality on private vehicle inspection service in Phra Nakorn Si Ayutthaya. 3) to study the effectiveness of customer relationship management influence the customer loyalty on private vehicle inspection service in Phra Nakorn Si Ayutthaya. The samples in this study were 325 Banpan private vehicle inspection service’s customers in Sena district Phra Nakorn Si Ayutthaya province. The data were analyzed by using frequency percentage mean standard deviation and Multiple Regression Analysis. The results found that the opinion levels on effectiveness of customer relationship management in overall and each aspect was found that the customer engagement customer hearing customer suggestion customer retention and customer prospecting were at the high level. The opinions level toward the customer trust on service quality was found at highest level in overall. The opinions level toward the customer loyalty was found at high level in overall. The result of hypothesis test found that the effectiveness of customer relationship management in customer suggestion customer retention and customer prospecting were influenced the customer trust on service quality. However the customer engagement and customer hearing were not influenced the customer trust on service quality. The customer trust on service quality were influenced the customer loyalty. The effectiveness of customer relationship management in customer engagement customer suggestion customer retention and customer prospecting were influenced the customer loyalty however the customer hearing were not influenced the customer loyalty.

The research aims to 1) promote historic and cultural tourism at royal temples in Ayutthaya province; and to 2) identify ways of promoting cultural tourism sustainably. The research methodology is mixed-method. The quantitative data was collected from approximately 400 Thai tourists by means of questionnaires. The qualitative data was collected by means of interviews with 8 tourism stakeholders in Ayutthaya province. Data were analyzed to identify the frequency percentage mean (x̅) and standard deviation (S.D.) using SPSS. The research found that Thai tourists and tourism stakeholders support measures to develop Royal temples in Ayutthaya including: 1)Wat Phra Sri San Phet; 2) Wat Panan Cheng Worawiharn; 3) Wat Na Phra Maen; 4) Wat Kasattra Thirat; and 5) Wat Phrom Niwat. In order to develop this royal temples there should be co-operation between locals and the private sector to promote sustainable tourism and to preserve the beautiful heritage sites as world heritage sites. The private sector and locals should support sustainable tourism activities and Thai culture to attract tourists who can encourage socio-economic development. In addition tourism facilities should be developed such as tourism landscapes parking areas tourism information public toilets and facilities for the elderly and disabled. Tourism policy should be supported through co-operation between locals and tourism stakeholders. Tourism management authorities and locals should support activities to preserve culture in order to attract more tourists and increase tourism revenue.

The purposes of this research were : 1) studying the personal factors of coffee consumers premium gas station in Ayutthaya province 2) studying the marketing mix of premium coffee at a gas station in Ayutthaya 3) the decision to buying coffee premium gas station in Ayutthaya province 4) to studying the relationship between the individual factors on the decision to buy coffee premium gas station in Ayutthaya province and 5) to studying the relationship between marketing mix with deciding to buy premium coffee in a gas station in Ayutthaya province. The samples were to consumers who enter the job the shuttle back and buy coffee premium gas stations a total of 29 and 406. They used in this research are statistics used to analyze data the frequency percentage mean standard deviation and the Chi-Square data were analyze using a computer program. The results showed that: 1) most consumers were to female between the ages of 20-30 years of undergraduate study private employees. The average income per month 20001-25000 baht 2) analysis of the data will be relating to the marketing mix used in the decision to buy premium coffee overall consumers were already seeing a high level. The first two items in order from most to least find that the side with the highest mean score. The distribution channel followed by the physical price of the product. Promotion marketing provider and the average minimum was personnel. 3) the decision was to buying premium coffee at the gas station of consumers. Most were intending to intend to drink coffee the espresso because reasonable pricing. The coffee will has tasted smoother most coffee once a day each 1 cup of coffee at a time which pays less than 100 baht by buying time 12:00 to 14:00 pm during uncertain. Most choose to used because it will have been sample parking and comfortable. The coffee shop was offers Wi-Fi / internet free 4) the relationship between personal factors the decision was to buying premium coffee at the gas station consumers in Ayutthaya province were finding to be relate and the statistical was significance level and 5) the relationship was between marketing mix with the decision to buy premium coffee at the gas station consumers in Ayutthaya province found to be related the statistical significance level .05.

The purpose of this study is to observe the value information in order to set up decision making in varieties selection for from farmers in Tharua Agriculture Cooperative Ltd. of Ayutthaya Province. This research use questionnaires as the medium to collect the information from 160 target consumers. As the result of the research this can be concluded as follows; Most of the target consumers are male gender age 14 – 50 years old and educated in Primary School including rice farming worker who have earnings below 10000 baht per month. This target group is very concerning on the factor that show product’s marketing image and products as well as the price and the purchasing locations of products but not very much From the research it shows that consumers of rice seed is concerning on marketing factors as follows. The result shows that consumers of rice seed purchase the product because of the image officials products are reliable quality packaging and brand of the products. Price factors for the research we can tell that the consumers variable methods of payment available including cash credit card etc. and the prices are suitable with quality of the products. ง Purchasing location from the research it shows that consumers of rice seed is very easy to buy where to buy close to home released in the right moment. Merchandise factor as rice seed of Tharua Agriculture Co-operative Ltd. use loans in order to advertise their products which affects buying decision staff recommendation the exhibit has made clear pay more attention at the highest level. Down from a premium price tag outdoor shows. And has organized various to assist in the promotion of cooperatives. Consumers can get information on the local newspaper. And radio at least.

This research aimed to study Thai and foreign tourists about development guidelines of historical tourist attraction. 400 Thai and foreign tourists who came to travel at Ayutthaya Historical Park Ayutthaya province. A questionnaire was used as a research instrument. The statistics used for analyzing data were percentage mean and standard deviation. The results revealed that most the tourists were female ages 31 – 40 years old. Their education backgrounds were Bachelor’s degree. Their occupations were private companies. Their were Thai and Foreign. In general The Development Guidelines of Historical Tourist Attractions. The first of development guidelines were Attractive Factors (To what extent does each of the followings attract tourist?) and next were The capabilities to support tourism (To what extent does each of the followings support tourism?) and Management and Administration (To what extent does each of the followings affect tourism?). The top 5 of development guidelines were The remarkable and unique history Architectural and artistic beauty Greatness a good image and recognition Enough accommodations and Convenient access to tourist destinations