Manalu, Afriani, and Hotmaulina Sihotang , translators. “Building a Culture of Quality Through the Ethos of Service and Justice in Christian Education”. International Journal of Scientific Research and Management (IJSRM), vol. 13, no. 11, Nov. 2025, pp. 4434-43, https://doi.org/10.18535/ijsrm/v13i11.el01.