Yathongchai, P., Suwannatrai, W., & Pawabut, C. (2023). A MODEL OF TEACHER LEADERSHIP DEVELOPMENT IN LEARNING MANAGEMENT BASED ON PHILOSOPHY OF SUFFICIENCY ECONOMY IN EDUCATIONAL OPPORTUNITY EXTENSION SCHOOLS IN THE AREA OF RESPONSIBILITY OF THE OFFICE OF EDUCATION SECTOR 11. Journal of Social Science and Cultural, 7(5), 28–42. retrieved from https://so06.tci-thaijo.org/index.php/JSC/article/view/264152