เกตุพรหมมา ศ, กลิ่นหอม เ, ภู่พัฒน์ ผ. Evaluation of Training Curriculum on Copier Maintenance Skills of Service Technical in ditto (Thailand) Company Limited. J. IND. EDUC. [Internet]. 2015 Aug. 31 [cited 2024 Apr. 26];14(2):26-33. Available from: https://ph01.tci-thaijo.org/index.php/JIE/article/view/122153