Rida, R., Sanco Simanullang, Donni Syahrial, & Zufri Hasrudy Siregar. (2026). Business Development Strategy With Swot and QSPM Methods (Case Study: Kampung Kopi Banaran). International Journal of Economics (IJEC), 5(1), 79–86. https://doi.org/10.55299/ijec.v5i1.1723