Siregar, Saparuddin. “Model Fundrising Wakaf Di Perguruan Tinggi ‎(Pengalaman UINSU Medan)‎”. Jurnal Ilmiah Ekonomi Islam 6, no. 3 (October 23, 2020): 413–420. Accessed March 4, 2026. https://www.jurnal.stie-aas.ac.id/index.php/jei/article/view/1389.