Widiyan, A. P., Sirisooksilp, S. and Narot, P. K. (2020) “The Development of Instructional Leadership Scale of Elementary School Principals in Indonesia”, International Journal of Learning, Teaching and Educational Research, 19(12), pp. 126–145. Available at: http://ijlter.net/index.php/ijlter/article/view/192 (Accessed: 30 April 2026).