Adams*†, A., U.Y. Abubakar*‡, U. Abubakar*, and Y. Yakubu*. “ Symmetric-Rank One and Davidon-Fletcher-Powell Quasi-Newton Methods”. International Journal of Mathematical Analysis and Modelling 5, no. 4 (September 30, 2023). Accessed July 28, 2026. https://tnsmb.org/journal/index.php/ijmam/article/view/63.