Phitsamai Thongthiang. 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). GS KKU HS [internet]. 2021 Apr. 30 [cited 2025 Dec. 5];9(1):47-59. available from: https://so04.tci-thaijo.org/index.php/gskkuhs/article/view/236625