Ismayanti, Ismayanti, and A. Rio Makkulau Wahyu. “Optimization of the BMT Al-Markaz Al Islami Makassar Management Pattern Against Customer Escalation”. Jurnal Ilmiah Ekonomi Islam, vol. 9, no. 1, Mar. 2023, pp. 1375-82, doi:10.29040/jiei.v9i1.7839.