SIMATUPANG, L. F., SIAHAAN, T. M. . and MARBUN, B. M. . (2024) “Differentiation Development Strategy at University of HKBP Nommensen Pematangsiantar Through Swot Method {Strength,Weaknesses,Oppurtunities and Threats}”, International Journal of Environmental, Sustainability, and Social Science, 5(6), pp. 2024–2033. doi: 10.38142/ijesss.v5i6.1277.