Sthevanie, F., Ramadhani, K. N., & Rasyid, H. F. (2018). Klasifikasi Ras Mongoloid Berbasis Citra Wajah menggunakan Algoritma k-Nearest Neighbors. Indonesian Journal on Computing (Indo-JC), 3(1), 45–54. https://doi.org/10.21108/INDOJC.2018.3.1.212