فهرس المقالات Partial differential equation (PDE) حرية الوصول المقاله صفحة الملخص نص كامل 1 - New Exact Traveling Wave Solution of Fisher Kolmogorov-Petrovskii-Piskunov Equation for Favorite Genes Spreading by -expansion Method Mohammad Gholami baladezaei Morteza Gachpazan Saedeh Foadian Hossein Mohammad-Pour Kargar 10.22034/jchr.2021.1919624.1243