Phithakkhetkhan, Tabtim, and Ratana Daungkaew. “Need Assessment in Promoting Teachers’Classroom Action Research of School Administrators in the Phaya-Wang Secondary Schools under Secondary Educational Service Area Office 35”. Journal for Developing the Social and Community 6, no. 1 (June 30, 2019): 91–102. accessed October 3, 2026. https://so03.tci-thaijo.org/index.php/rdirmu/article/view/211373.