Jawanna D. The Development of the MARKET MODEL to Enhance the Competency of Principles of Marketing for High Vocational Certificate Student of Kamphaengphet Technical College. jg-mcukk [internet]. 2024 Mar. 31 [cited 2025 Apr. 27];11(1):113-26. available from: https://so02.tci-thaijo.org/index.php/jg-mcukk/article/view/269085