Harahap, L., S. D. . Purba, K. . Sirait, and J. F. R. Panggabean. “Application of the K-NN Algorithm for Sales Effectiveness of Pastries at Mami’s Kitchen Bakery”. Jurnal Mantik, vol. 6, no. 3, Nov. 2022, pp. 3872-9, doi:10.35335/mantik.v6i3.3301.