เก้าเอี้ยน ว, รู้แผน พ, มอนไธสง ธ. THE COMPETENCY DEVELOPMENT GUIDELINES OF SUPPLY OFFICERS UNDER SECONDARY EDUCATIONAL SERVICE AREA OFFICE 3 PHRANAKHON SI AYUTTHAYA PROVINCE. Education MCU [Internet]. 2019 Dec. 28 [cited 2024 Apr. 18];6(3):111-22. Available from: https://so02.tci-thaijo.org/index.php/EDMCU/article/view/223945