Lubis, A. S., Zulfan, S. . Sinulingga, Ismayadi, and A. D. F. . Siregar. “Enhancing Higher Education Sustainability Through Quality Management Models ”. Journal of Research in Mathematics Trends and Technology, vol. 6, no. 2, Sept. 2024, pp. 81-88, doi:10.32734/jormtt.v6i2.18344.