Amalya N, Solikhun S. POLAK-RIBIERE CONJUGATE GRADIENT ALGORITHM IN PREDICTING THE PERCENTAGE OF OPEN UNEMPLOYMENT IN NORTH SUMATRA PROVINCE. J. Tek. Inform. (JUTIF) [Internet]. 2024Jan.31 [cited 2024Nov.21];5(1):31-8. Available from: http://jutif.if.unsoed.ac.id/index.php/jurnal/article/view/1047