Qomar, Moh. 2019. “Kritik Karl Marx Terhadap Konsep Buruh Kapitalis Kajian Komparatif Ekonomi Syariah Atas Buku Das Kapital I”. Proceedings of Annual Conference for Muslim Scholars 3 (1), 1003-9. http://proceedings.kopertais4.or.id/index.php/ancoms/article/view/314.