Ranthong T, Sarnsawang S, Nanthachai S. Needs Assessment for the Development of School Principals’ Roles in Promoting the Teaching of the Chinese Language in Schools under the Samut Prakan Secondary Educational Service Area Office. IARJ [internet]. 2025 Nov. 27 [cited 2026 Sep. 24];5(6):1171-82. available from: https://so03.tci-thaijo.org/index.php/IARJ/article/view/287964