A. M. Maulidya, S. Selfira, G. . Sidabutar, and R. R. . Al Hafiz, “Integrating K-Means Clustering and Apriori for Data Mining-Based Digital Marketing Strategy For Increasing UMKM: Study Case Stabat City”, SinkrOn, vol. 9, no. 4, pp. 3190-3196, Oct. 2025.