1.
Phetthong P, Ruangmontri K. DEVELOPING GUIDELINES TO ENHANCE COMPETENCY OF TEACHERS IN SELF – DEVELOPMENT ROI – ET PRIMARY EDUCATIONAL SERVICE AREA OFFICE 1. JMND [internet]. 2020 Aug. 27 [cited 2026 Jan. 8];7(8):204-17. available from: https://so03.tci-thaijo.org/index.php/JMND/article/view/246257