فهرس المقالات Shahram Saeidi المقاله 1 - Proposing a mathematical programming model for load balancing in mobile cellular networks Shahram Saeidi Sahar Khoshfetrat International Journal of Data Envelopment Analysis , العدد 1 , السنة 12 , زمستان 2024 المقاله 2 - Optimizing the Airline Routing Cost using Linear Programming and PSO Algorithm Shahram Saeidi Sahar Khoshfetrat International Journal of Data Envelopment Analysis , العدد 3 , السنة 12 , تابستان 2024