Taufik F, Aprillillah YNI. Application of Waqf in Modern Islamic Boarding School Darussalam Gontor, Ponorogo Regency in the Perspective of Sharia Economic Law and Law Number 41 of 2004 concerning Waqf. Al-Muamalat J. Ekon. Syariah [Internet]. 2022 Aug. 4 [cited 2025 Jun. 16];9(1):1-6. Available from: http://103.55.33.27/index.php/mua/article/view/14248