Waldan, Raziki, and Diena Juliana. “Spiritual Development in Religious Nonprofit Organizations: The Integration of Professional Human Resource Management”. Journal of Islamic Management 6, no. 2 (July 31, 2026): 123–141. Accessed August 12, 2026. https://jurnalfdk.uinsa.ac.id/index.php/JIM/article/view/2606.