Rusdi, Faisal, and Tika Widiastuti. 2020. “THE CONCEPT OF PRICE POLICY IN THE MARKET: A STUDY OF IBNU KHALDUN AND IBNU TAIMIYYAH THOUGHT”. Jurnal Ekonomi Syariah Teori Dan Terapan 7 (9):1755-69. https://doi.org/10.20473/vol7iss20209pp1755-1769.