The purpose of this study was to investigate the influence work performance and organizational commitment affecting the resignation of a public bank support in Bangkok. This is survey research was quantitative which its samples consisted of 310 support staff of a public bank in Bangkok responding to the questionnaire as a research tool. Frequency percentage means standard deviation and Multiple Regression Analysis was applied to achieve 0.05 significance level. The research revealed that the majority of the population was male aged 31-40 years old working as employees and had the average monthly income less than or equal to 15000 baht. They had been working with the bank less than 3 years. Largely the analysis of their work performance and organizational commitment as well as the resignation of the employees was at a high level. The hypothesis test showed that the performance factor did not influence the resignation trend of the support staff of a public bank in Bangkok. In addition their organizational commitment influenced the resignation tendency of a public bank in Bangkok.

Direct selling business has plays a vital role for generating national revenue towards Thailand economic for several decades. Particularly during last past decade direct selling business has been generating in the diversity size involved large medium and small business unites. This business attempts to win in national consumption markets by using the form of direct selling system for distribute of products and increase sale volume. Thus the objective of the research is attempts to study the quality of direct sales in particular supplement food products through the lens of independent distributor. The results of the study will used for developing of direct sale company service quality efficiency. Five point Likert scale and closed end questionnaires were used for collecting data from executives directors of 12 direct sale companies and 400 independent distributors. The data were interpreting by using percentage (%) Mean (x) and standard deviation (S.D). The inferential statistics represented by t - test and F-test. The research finding indicated that direct sales service quality management is the important factor that can be contributing business success. Considering in detail found that the relationship between service provider (direct sale company) and service receiver (independent distributor agency customer) have a most significantly important in among other service dimensions. Look through the company size dimension the large size company has pay attention on every service quality details. Despite the overall picture of direct sale companies in Thailand have providing promotional services to the independent distributor in order to meets the standards of the direct sale association development of Thailand. Addition the objective of this association is for enhance direct selling business standard simultaneously generated the confident of new comer businessmen and customer in direct sale business network. Hence promoting business development plan is requiring the expertise person who have been in this particular area of business to supervise of business outline under the framework of direct sale association development of Thailand Key words : The direct selling business