Ruttanapan M. PROBLEMS AND DEVELOPMENT GUIDELINES ON MATERIAL ADMINISTRATION FOR MATERIAL OFFICIALS IN RAJAMANGALA UNIVERSITY OF TECHNOLOGY THANYABURI. ptujournal [Internet]. 2021 Dec. 29 [cited 2024 May 8];13(2):14-31. Available from: https://so05.tci-thaijo.org/index.php/ptujournal/article/view/250644