Nasution, Mhd Thoib. “ETOS KERJA DALAM PERSPEKTIF ISLAM”. IHTIYATH : Jurnal Manajemen Keuangan Syariah 1, no. 1 (September 11, 2017). Accessed January 18, 2026. https://journal.iainlangsa.ac.id/index.php/ihtiyath/article/view/677.