Muhammad Abduh IH, Dayyan M. THE COST OF PROOFREADING SERVICES FOR SCIENTIFIC JOURNALS BASED ON IJÂRAH ’ALA AL-’AMÂL CONTRACT: A CASE STUDY AT AT IAIN ZAWIYAH COT KALA LANGSA. Al-Mudharabah [nternet]. 2023 Nov. 30 [cited 2024 Sep. 20];4(2):246-75. vailable from: https://journal.ar-raniry.ac.id/mudharabah/article/view/5638