Siswanto, A., & Hidayat, A. C. (2019). Analisys of The Quality of Customer Service Satisfactory of Baitul Maal Wattamwil (BMT) Tamzis at Daerah Istimewa Yogyakarta and Jawa Tengah. INOBIS: Jurnal Inovasi Bisnis Dan Manajemen Indonesia, 2(2), 152 - 167. https://doi.org/10.31842/jurnal-inobis.v2i2.81