ໄຊມູນຄໍາ ອ., ແສງດວງຈັນ ສ., S. MAHAPHOM, and ນຸຖາພອນ ທ., “The Relationship between the Leadership Styles and School Effectiveness at Secondary Schools in Sekong Province: Master’s student, Education Science, Faculty of Education, Champasak University This study is a study of the relationship between the style of leadership and effective schools in comprehensive secondary education ”, cusj, vol. 9, no. 1, pp. 244–260, Jul. 2025.