• Suawanee
• Prapai
• Auemporn
• Poramest

The objective of this research are to study needs for information systems in professional services and e-commerce marketing for older persons of the employment office in Phichit province, to design and to build information system for professional services and e-commerce marketing of the employment office in Phichit province, and to study the satisfaction of users of information system, professional services and electronic commerce marketing of the employment office in Phichit province. The sample consist of 44 persons, including one person of Phichit provincial employement office manager is one persons, two persons of the head of the employment office of Phichit province, six employees of Phichit provincial employment office, thirty elderly people from 12 districts of Phichit province, and five entrepreneurs involved in the distribution of the elderly by selected from the sample with specific approach. An application online is developed in this research for forecasting about career service requirements of elderly persons of Phichit province. The decision support system is used to decide about career selecting. Both rule base and decision tree are used to arrange careers that suits the age and ability of the elderly to come. In addition, the search for the most suitable profession is obtained by searching with the heuristic search. The research founds that the study needs of information system for occupational service and marketing of e-commerce of the elderly in Phichit province that the results of the study are as follows:1) type or occupations groups that need to receive 11 services are in high demand (the average value is 4.04) and the most wanted profession are health promotion, herbal medicine, herbal product and herbal products and packaging, 2) the demand for vocational training was at the high level of 12 districts (the average value is 3.66) and Phichit district has the demand for vocational training first, and 3) the demand for e-commerce marketing services is very high (the average value is 4.28. In addition, after the training programs are presented with the decision support system from 30 participants. It appeared that there are participants in various topics. A total of 27 people, representing 90 percent.

Information system, occupation service, e-Market, decision support system

"Information system on occupation services and e-Commerce market for elderly", International Journal of Emerging Technologies and Innovative Research (www.jetir.org), ISSN:2349-5162, Vol.7, Issue 6, page no.1484-1488, June-2020, Available :http://www.jetir.org/papers/JETIR2006218.pdf

"Information system on occupation services and e-Commerce market for elderly", International Journal of Emerging Technologies and Innovative Research (www.jetir.org | UGC and issn Approved), ISSN:2349-5162, Vol.7, Issue 6, page no. pp1484-1488, June-2020, Available at : http://www.jetir.org/papers/JETIR2006218.pdf