SALIHIN, Agus. Analisis Harga Dalam Perspektif Ibn Khaldun. EKONOMIKA SYARIAH : Journal of Economic Studies, [S. l.], v. 3, n. 2, p. 14–31, 2019. DOI: 10.30983/es.v3i2.2086. Disponível em: https://ejournal.uinbukittinggi.ac.id/index.php/febi/article/view/2086. Acesso em: 27 oct. 2025.