فهرس المقالات Farzad Didehvar المقاله 1 - An Improved Modified Tabu Search Algorithm to Solve the Vehicle Routing Problem with Simultaneous Pickup and Delivery Majid Yousefikhoshbakht Farzad Didehvar Farhad Rahmati Journal of Advances in Computer Research , العدد 5 , السنة 3 , پاییز 2012