Simbolon, A. I. A., M. Pujiastuti, I. K. Jaya, K. Tarigan, and M. Sinambela. “Machine Learning for Handoffs Classification Based on Effective Communication History”. Sinkron : Jurnal Dan Penelitian Teknik Informatika, vol. 3, no. 2, Mar. 2019, pp. 265-7, https://jurnal.polgan.ac.id/index.php/sinkron/article/view/10074.