Wikky Fawwaz Al Maki, Khaidir Mauladan and Indra Bayu Muktyas (2023) “Date Fruit Classification using K-Nearest Neighbor with Principal Component Analysis and Binary Particle Swarm Optimization”, Jurnal RESTI (Rekayasa Sistem dan Teknologi Informasi), 7(6), pp. 1456 - 1463. doi: 10.29207/resti.v7i6.4839.