Amalya, N. and Solikhun, S. (2024) “POLAK-RIBIERE CONJUGATE GRADIENT ALGORITHM IN PREDICTING THE PERCENTAGE OF OPEN UNEMPLOYMENT IN NORTH SUMATRA PROVINCE”, Jurnal Teknik Informatika (Jutif). Purwokerto, 5(1), pp. 31-38. doi: 10.52436/1.jutif.2024.5.1.1047.