Elfrida Yuliana Simamora (2026) “DIVERSITY OF MUSIC GENRES IN SUNDAY SERVICES OF HKBP CHURCH IN MEDAN CITY: THEOLOGICAL, CULTURAL, AND MUSIC MANAGEMENT PERSPECTIVES”, International Journal of Social Science, Educational, Economics, Agriculture Research and Technology (IJSET), 5(2), pp. 1611–1618. doi: 10.5281/zenodo.18764671.