NGANTUNG, Y. Y. ., R. M. S. . Tuerah, S. D. M. . Sumual, and V. N. J. . Rotty. “Internal Quality Assurance System at Lokon Santo Nikolaus Junior High School in Tomohon City”. European Multidisciplinary Journal of Modern Science, vol. 5, Apr. 2022, pp. 125-40, https://emjms.academicjournal.io/index.php/emjms/article/view/228.