KURNIAWAN, Hary; MURDIANA, Elfa. Asas Proporsionalitas Insentif Pada Jasa Transportasi Ojek Online Grab Kota Metro dalam perspektif Hukum Ekonomi Syariah. Adzkiya : Jurnal Hukum dan Ekonomi Syariah, [S.l.], v. 9, n. 01, p. 91-104, july 2021. ISSN 2355-4215. Available at: <https://e-journal.metrouniv.ac.id/index.php/adzkiya/article/view/3076>. Date accessed: 28 oct. 2021. doi: https://doi.org/10.32332/adzkiya.v9i01.3076.