Haekase, Y., Fakhruddin, F. and Yulianto, A. (2020) “Entrepreneurial Instinct of Principal to Manage Production Activities in Christian Pandhega Jaya High School”, Educational Management, 9(2), pp. 241-247. Available at: https://journal.unnes.ac.id/sju/eduman/article/view/39750 (Accessed: 22November2024).