Rusdi, F., & Widiastuti, T. (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), 1755–1769. https://doi.org/10.20473/vol7iss20209pp1755-1769