NUANGSRI K, CHANSIRISIRA P, TESSAPUTA K. DEVELOPMENTING A PROGRAM TO STRENGTHEN COLLECTIVE LEADERSHIP OF THAI PRIMARY SCHOOL ADMINISTRATORS. Res Comm Soc Dev J [internet]. 2021 May 7 [cited 2026 Aug. 30];15(2):225-38. available from: https://so04.tci-thaijo.org/index.php/NRRU/article/view/243942