Alhifni, Anas, Nurul Huda, Muslich Anshori, and Biyati Ahwarumi. “Product Design Mall of Islamic Microfinance Institutions Supporting Economic Empowerment Islamic Boarding School Indonesia (Case Study Islamic Boarding School Abdussalam)”. International Journal of Economics and Financial Issues 8, no. 4 (July 11, 2018): 250–255. Accessed May 28, 2022. https://www.econjournals.com/index.php/ijefi/article/view/6729.