Harahap, Leliana, Sartika Dewi Purba, Kamson Sirait, and Jonas Franky R Panggabean. “Application of the K-NN Algorithm for Sales Effectiveness of Pastries at Mami’s Kitchen Bakery”. Jurnal Mantik 6, no. 3 (November 30, 2022): 3872-3879. Accessed July 15, 2026. https://iocscience.org/ejournal/index.php/mantik/article/view/3301.