Dawahdeh M, Mamat M, Alhawarat A, Rivaie M, Afendee Mohamed M. An Extension of Polak-Ribière-Polyak Method. IJET [Internet]. 2018 Aug. 17 [cited 2024 Apr. 28];7(3.28):348-53. Available from: https://sciencepubco.com/index.php/ijet/article/view/27383