Phitsamai Thongthiang. (2021). The Principles of Create Narcotics Immunization in Labour Groups of Provincial Labour offices through The King’s Science (4 Understand, 5 Access to, 3 Develop). KKU Research Journal (Graduate Studies) Humanities and Social Sciences, 9(1), 47–59. Retrieved from https://so04.tci-thaijo.org/index.php/gskkuhs/article/view/236625