Ginting, Wita Clarisa, Ronsen Purba, and Arwin Arwin. 2020. “Optimization Performance of Fuzzy K-Nn With Modifield Particle Swarm Optimization in Credit Risk Classification”. Jurnal Mantik 4 (2):1417-23. https://doi.org/10.35335/mantik.Vol4.2020.956.pp1417-1423.