Shawki Jaber, A., RASHEED, M. and Saidani, T. 2024. The conjugate gradient approach to solve two dimensions linear elliptic boundary value equations as a prototype of the reaction diffusion system . Al-Salam Journal for Engineering and Technology. 3, 1 (Jan. 2024), 157–168. DOI:https://doi.org/10.55145/ajest.2024.03.01.014.