SANJAYA, A. R.; SETIYONO, A. Ta’tsiru Tahhfidzu Al-Amal Ala Adai Al-Muadzifin Fii Jamiati Darussalam Gontor Ponorogo. Islamic Business and Management Journal, [S. l.], v. 6, n. 1, p. 68–93, 2022. DOI: 10.21111/ibmj.v6i1.5949. Disponível em: https://ejournal.unida.gontor.ac.id/index.php/IBMJ/article/view/5949. Acesso em: 18 apr. 2025.