KONSTRIBUSI DINASTI ABBASYIYAH TERHADAP KEMAJUAN  ILMU PENGETAHUAN ISLAM. Ekonomi : Jurnal Perbankan Syariah, [S. l.], v. 2, n. 02, 2026. Disponível em: https://ejournal.staibahriyatululum.com/index.php/jips/article/view/38.. Acesso em: 20 sep. 2026.