Irfanullah I. EFFICIENCY OF WAQF-BASED SOCIAL ENTREPRENEUR MODEL BY BAITUL WAKAF INDONESIA: SOCIAL RETURN ON INVESTMENT (SROI) APPROACH. LJMS [Internet]. 2025 Dec. 1 [cited 2026 Jan. 29];19(2):113-24. Available from: https://jurcon.ums.edu.my/ojums/index.php/LJMS/article/view/6077