A. Manna, Saad, and Ahmed F. Qassem. “Stability Analysis of Fisher Equation Using Numerical Galerkin Techniques”. AL-Rafidain Journal of Computer Sciences and Mathematics 3, no. 2 (December 4, 2006): 29–42. Accessed December 18, 2025. https://csmj.uomosul.edu.iq/index.php/csmj/article/view/36386.