Rida, R., Sanco Simanullang, Donni Syahrial, and Zufri Hasrudy Siregar. “Business Development Strategy With Swot and QSPM Methods (Case Study: Kampung Kopi Banaran)”. International Journal of Economics (IJEC), vol. 5, no. 1, Jan. 2026, pp. 79-86, doi:10.55299/ijec.v5i1.1723.