HASANAH, Dafiqah; KOSIM, Mulyadi; ARIF, Suyud. Konsep Khiyar pada Jual Beli Pre Order Online Shop dalam Perspektif Hukum Islam. IQTISHODUNA: Jurnal Ekonomi Islam, [S.l.], v. 8, n. 2, p. 249-260, oct. 2019. ISSN 2443-0056. Available at: <http://ejournal.iaisyarifuddin.ac.id/index.php/iqtishoduna/article/view/426>. Date accessed: 21 jan. 2020. doi: https://doi.org/10.36835/iqtishoduna.v8i2.426.