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, [S. l.], v. 10, n. 1, p. 1–23, 2025. DOI: 10.32923/asy.v10i1.5101. Disponível em: https://rumahjurnal.iainsasbabel.ac.id/asy/article/view/5101. Acesso em: 14 nov. 2025.