Apriantoro, M.S., Yasir Hasanridhlo, Widhi Indira Laksmi, Leny Agustin and Husain, M.Z. 2023. A Barter System for Used Palm Oil Traders: Islamic Law Perspective. Demak Universal Journal of Islam and Sharia. 1, 01 (May 2023), 57–66. DOI:https://doi.org/10.61455/deujis.v1i01.34.