Polying M, Sungsitthisawad W. urvey of manufacturing places for drinking water in sealed containers according to good manufacturing practice (GMP) in Kalasin province. Asia Pac J Sci Technol [internet]. 2017 Apr. 13 [cited 2026 Mar. 6];18(6):1049-62. available from: https://so01.tci-thaijo.org/index.php/APST/article/view/83035