WONGSA, S.; STEANNOPPAKAO , P.; CHALAKBANG, W. DEVELOPMENT OF PROFESSIONAL TEACHER INDICATORS IN SCHOOLS UNDER THE OFFICE NAKHON PHANOM PRIMARY EDUCATIONAL SERVICE AREA OFFICE 1. Journal of Graduate School Sakon Nakhon Rajabhat University, Sakon Nakhon, Thailand, v. 21, n. 92, p. 109–120, 2024. Disponível em: https://so02.tci-thaijo.org/index.php/SNGSJ/article/view/259140. Acesso em: 19 sep. 2026.