Al-Issa, Ali Joma’a, Basim A. Hassan, Issam A R Moghrabi, and Ibrahim M. Sulaiman. “A Modified Davidon-Fletcher-Powell Method for Solving Nonlinear Optimization Problems”. Iraqi Journal of Science 65, no. 3 (March 29, 2024): 1476–1484. Accessed June 30, 2026. https://www.ijs.uobaghdad.edu.iq/index.php/eijs/article/view/8733.