Rittikarn N, Ekpetch C, Sungkaosuttiruk S. Development of a Supply Management Handbook in Schools under Chumphon Primary Educational Service Area Office 2. RJPJ [internet]. 2020 Oct. 20 [cited 2026 Sep. 12];14(36):266-77. available from: https://so05.tci-thaijo.org/index.php/RJPJ/article/view/244886