Phumphatcharachaiwong, N., Phoojomjit, P. and Duangchatom, K. 2025. The Model for Collaborative Leadership Development of School Administrators under Maha-Sarakham Provincial Administrative Organization. Interdisciplinary Academic and Research Journal . 5, 3 (Jun. 2025), 1015–1032. DOI:https://doi.org/10.60027/iarj.2025.283905.