Trisnani, Asif, and Rofiidah Auliatur Rohmah. “Al-Usthurah Fi Al-Qishah Al-Qur’aniyah ‘Inda Muhammad Ahmad Khalafullah”. Studia Quranika, vol. 3, no. 2, Jan. 2019, pp. 147-58, https://quranika.journal.unida.gontor.ac.id/index.php/quranika/article/view/106.