Muhajir, Muhajir, and Muhammad Wicaksono. 2021. “Analisis Hukum Islam Terhadap Pembulatan Tarif Layanan Jasa Transportasi KOPADA TAKSI Di Purworejo”. Ulumuddin: Jurnal Ilmu-Ilmu Keislaman 11 (2), 163 -76. https://doi.org/10.47200/ulumuddin.v11i2.885.