As’ad, Mahrus. “Tajdīd Al-Tarbīyah Al-Islāmīyah ‘inda Al-Shaykh Al-Ḥājj Imam Zarkasyi”. Studia Islamika, vol. 22, no. 2, Aug. 2015, pp. 333-68, doi:10.15408/sdi.v22i2.1922.