Surtahman, A.W. and Mohamad Rohana, N.A. 2022. Etika dan Tanggungjawab Khalifah dalam Pengurusan Laut Menurut Perspektif Al-Quran: Ethics and Responsibilities of Caliphs in Sea Management According to Al-Quran’s Perspective. Jurnal Pengajian Islam. (Aug. 2022), 235–256.