Kaewkrajay C, Saengsawang W. ETHICAL LEADERSHIP OF SECONDARY EDUCATION SCHOOL ADMINISTRATOR UNDER LOP BURI PROVINCIAL EDUCATION. MCU SSR [internet]. 2021 Sep. 19 [cited 2025 Apr. 3];10(3):54-67. available from: https://so03.tci-thaijo.org/index.php/jssr/article/view/252090