Ishak, Khodijah. “Penetapan Harga Ditinjau Dalam Persepektif Islam”. IQTISHADUNA: Jurnal Ilmiah Ekonomi Kita 6, no. 1 (June 30, 2017): 35-49. Accessed August 18, 2025. https://ejournal.isnjbengkalis.ac.id/index.php/iqtishaduna/article/view/93.