Wahyu, W. and Tektona, R. 2020. Kepastian Hukum Pelaksanaan Khiyar Syarat Dalam Bai’Salam Online Melalui Instagram. JOURNAL OF SHARIA ECONOMICS. 2, 2 (Dec. 2020), 109-129. DOI:https://doi.org/10.35896/jse.v2i2.117.