D. Putra and L. A. Nasution, “UṢUL FIQH ‘INDAL MAŻHAB AL-IMĀM AHMAD BIN HAMBAL WA AṠARUHU FĪ AL-QAḌĀYA AL-ŬMMAH AL-ISLĀMĪYAH”, EAJ, vol. 5, no. 1, pp. 42-71, Jun. 2024.