Saputra, P., Setyawan, R. and Kurnia, M. 2023. Analysis of the Effectiveness of the One Pesantren One Product (OPOP) Program in Supporting the Economic Empowerment of Islamic Boarding Schools in Belitung Regency. Society. 11, 2 (Dec. 2023), 543-556. DOI:https://doi.org/10.33019/society.v11i2.660.