Samranyoo, Watsawan, Sitthiporn Soonthorn, and Somkiet Kietjareon. “Enforcement of the Skill Development Promotion Act B.E. 2545 of Business Establishments in Samut Prakan Province”. Interdisciplinary Academic and Research Journal 4, no. 5 (October 17, 2024): 495–508. accessed October 1, 2026. https://so03.tci-thaijo.org/index.php/IARJ/article/view/276177.