INTALA, somnuek; VAISOPHA, K. Study of Competency of Teachers in 21st Centery Under Loei Primary Education Service Area Office 1: Study of Competency of Teachers in 21st Centery Under Loei Primary Education Service Area Office 1. RATANABUTH JOURNAL, Yasothon, Thailand, v. 5, n. 1, p. 228–239, 2023. Disponível em: https://so07.tci-thaijo.org/index.php/rtnb/article/view/2533. Acesso em: 10 dec. 2025.