Ongroongruang, Siriporn. “Educational Assisting System for On-line Checking and Retrieval Using Client/Server Technology : Case Study of Faculty of Engineering, Kasetsart University”. Agriculture and Natural Resources 32, no. 4 (December 31, 1998): 461–472. accessed September 17, 2026. https://li01.tci-thaijo.org/index.php/anres/article/view/240602.