The purposes of this research were 1) To study behavior of customer using Restaurant E-commerce in case study of Muang Nonthaburi District 2) To study customer loyalty in Restaurant E-commerce in case study of Muang Nonthaburi District 3) To study comparing personal factors affecting customer loyalty in Restaurant E-commerce in case study of Muang Nonthaburi District From those aims Researcher has collected sample data of customer using Restaurant E-commerce in case study of Muang Nonthaburi District that using sampling method of certain populations by 400 samples. Using online questionnaire types for close ended question and open ended question and analyzing social science data with statistics analysis program. Study for Percentage Mean Standard Deviation and Hypothesis Testing (t-test) by presenting results in Descriptive Statistics Table and collecting data between April-June 2016. Result of this research customer using Restaurant E-commerce in case study of Muang Nonthaburi District that found The Most is Male age 21-30 years old and have been bachelor degree Single and occupied about official/state enterprise Behavior of using Restaurant E-commerce that found The Most have knowledge/experience for using E-commerce have valued from using E-commerce with Restaurant data searching have trusted for using Restaurant E-commerce level is moderate. And Favorite using Social Media on all Channels that are Website Application and Social Media (3) Customer Loyalty in Restaurant E-commerce in Case Study of Muang Nonthaburi District are summarized 8 sides that are much (Mean=3.92 S.D.= .795)

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 objectives of this research were (1) to study the influence of marketing mix which consisted of the dimensions of product or service price place and promotion on trust (2) the study the influence of marketing mix and trust on satisfaction (3) to study the influence of trust and satisfaction on loyalty of Siam Commercial Bank Public company Limited (4) to validate a causal relationship model of influence of marketing mix on trust satisfaction and customer loyalty of Siam Commercial Bank Public company Limited with empirical data. The variables in this investigation consisted of the following; marketing mix consist of the dimensions of product or service price place and promotion as the independent variables; trust and satisfaction as mediating variables; and customer loyalty as dependent variable. The researcher used quantitative methods which involved empirical research. The instrument of research was a questionnaire used to collect data form 421 customers of Siam Commercial Bank Public Company Limited Ratchadapisek (Thapra) Area office total 30 branches. The statistics in data analysis were frequency percentage mean standard deviation and structural equation model analysis. It was found the model was consistent with the empirical data. Goodness of fit measures were found to be Chi-square (x2) = 464.207; degree of freedom = 463; p-value = 0.479; Relative Chi-square (x2/ df) =1002; comparative fit index (CFI) = 1000 Standardized Root Mean Square Residual (SRMR) = 0.028; goodness of fit index (GFI) =0.942; adjusted goodness of fit index (AGFI) = 0.917; and Root Mean Square error of Approximation (RMSEA) = 0.002. It was also found that (1) marketing mix in the dimension of Product or service had a positive and direct influence on trust; (2) marketing mix in the dimension of price Had a positive and direct influence on trust; (3) marketing mix in the dimension of place had a positive and direct influence on trust; (4) marketing mix in the dimension of promotion had a positive and direct influence on trust; (5) marketing mix in the dimension of product or service had a positive and direct influence on satisfaction; (6) marketing mix in the dimension of price had a positive and direct influence on satisfaction; (7) marketing mix in the dimension of place had positive and direct influence on satisfaction; (8) marketing mix in the dimension of promotion had a positive and direct influence on satisfaction; (9) trust had positive and direct influence on satisfaction; (10) trust had a positive and direct influence on customer loyalty; and (11) satisfaction had a positive and direct influence customer loyalty. On the basis of these findings the researcher recommends that Branch of Siam Commercial Bank Public Company Limited more fully focus on marketing mix in the dimensions of product or service price place and promotion to deepen trust satisfaction and customer loyalty.