Harefa, Jeklin, Alexander Alexander, and Mellisa Pratiwi. 2017. “Comparison Classifier: Support Vector Machine (SVM) and K-Nearest Neighbor (K-NN) In Digital Mammogram Images”. Jurnal Informatika Dan Sistem Informasi (JUISI) 2 (2):35-40. https://journal.uc.ac.id/index.php/JUISI/article/view/240.