فهرس المقالات Mohammed Jasim Mohammed المقاله 1 - Numerical Solution of the Spread Model of COVID-19 by Using Muntz Functions 10.71932/ijm.2024.1196293 Afkar Kareem Mnahi Majid Tavassoli Kajani Mohammed Jasim Mohammed Masoud Allame International Journal of Mathematical Modeling & Computations , العدد 55 , السنة 14 , تابستان 2024