Kurniawan, D. A. ., F. Arius, and M. R. Ramadhani. “Analysis Of Marketing Strategy Non-Profit Organization the International Center For Awqaf Studies (ICAST) In Gontor Ponorogo”. Proceeding Kilisuci International Conference on Economic &Amp; Business, vol. 2, Apr. 2024, pp. 810-4, https://proceeding.unpkediri.ac.id/index.php/kilisuci/article/view/4319.