Fitriyanti, E., Wulandari, A., Fahria, I. and Karimullah, S. (2025) “ANALYSIS OF THE LERNER INDEX OF THE HALAL FOOD INDUSTRY IN BANGKA BELITUNG FROM THE PERSPECTIVE OF IBN KHALDUN’S PRICE CONCEPT”, ASY SYAR’IYYAH: JURNAL ILMU SYARI’AH DAN PERBANKAN ISLAM, 10(1), pp. 1-23. doi: 10.32923/asy.v10i1.5101.