Jalil, Muh. Rabbul. “STANDARDIZING HALAL PRODUCTS IMPROVES THE ECONOMY OF ISLAMIC BOARD SCHOOLS IN NURUL HARAMIN NWDI NARMADA”. Alif Lam : Journal of Islamic Studies and Humanities 4, no. 02 (April 17, 2024): 9-24. Accessed December 5, 2025. https://journal.staidk.ac.id/index.php/aliflam/article/view/678.