KHAKIM, Usmanul; AMRULLAH, Khasib; NASIF, Hifni. Metode Sains: Membaca Pemikiran Epistemologis al Attas dan Wall. IJoIS: Indonesian Journal of Islamic Studies, [S. l.], v. 2, n. 2, p. 181–190, 2021. DOI: 10.59525/ijois.v2i2.39. Disponível em: https://journal.civiliza.org/index.php/ijois/article/view/39. Acesso em: 8 feb. 2026.