Shonena, Helvi Frieda, and Isidor Haufiku. “Discipline As a Determinant of School Performance: A Case of Junior High School in Namibia”. Journal of Educational Management and Instruction (JEMIN) 3, no. 1 (December 17, 2023): 22–40. Accessed July 3, 2024. https://ejournal.uinsaid.ac.id/index.php/jemin/article/view/7360.