Ganihar, Noorjehan Nazim. “A STUDY OF QUALITY INDICATORS FROM THE PERSPECTIVE OF HEADS OF SECONDARY SCHOOLS”. International Online Journal of Education and Teaching 2, no. 1 (January 10, 2015): 43–52. Accessed January 10, 2026. https://www.iojet.org/index.php/IOJET/article/view/74.