Husayn, Burhan Jabir, Azman Ab Rahman, and Mohamad Zaharuddin Zakaria. 2018. “Awqaf Sukuk, It’s Concept And Legitimate Adaptation”. Perdana: International Journal of Academic Research 3 (1), 61-79. http://www.perdanajournal.com/index.php/perdanajournal/article/view/29.