Srisombut, Rergchai, Komsan Klangthan, Ponkit Noothongpoon, Theerapong Seangsuwan, and Kittanan Chanrad. 2017. “Factors Affecting Participation in Quality Assurance Of NakhonPathom Technical College Teachers”. Vocational Education Central Region Journal 1 (1):76-84. https://so06.tci-thaijo.org/index.php/IVECJournal/article/view/246452.