Nikmir Rohmiati, Arlina Nurbaity Lubis and Beby Karina Fawzeea Sembiring 2024. THE INFLUENCE OF SERVICE QUALITY AND PRODUCT QUALITY BSI GRIYA ON CUSTOMER LOYALTY THROUGH CUSTOMER SATISFACTION OF BANK SYARIAH INDONESIA CAPEM ISKANDAR MUDA IN MEDAN CITY . International Journal of Social Science, Educational, Economics, Agriculture Research and Technology (IJSET). 3, 3 (Feb. 2024), 515–521. DOI:https://doi.org/10.54443/ijset.v3i3.382.