Achbar Safrudin. “MANAJEMEN LEMBAGA PENDIDIKAN ISLAM DALAM PROGRAM TAHFIẒ AL-QURAN DI MA’HAD UMAR BIN AL-KHATTAB UNIVERSITAS MUHAMMADIYAH SURABAYA”. International Journal on Integrated Education, vol. 3, no. 5, July 2020, pp. 76-81, doi:10.31149/ijie.v3i5.435.