bbas Yakubu, U. A., Mamat, M., Afendee Mohamed, M., ., S., & Rivaie, M. (2018). Secant Condition Free of a Spectral PRP Conjugate Gradient Method. International Journal of Engineering & Technology, 7(3.28), 325-328. https://doi.org/10.14419/ijet.v7i3.28.23470