فهرس المقالات COVID-19 vaccines حرية الوصول المقاله صفحة الملخص نص كامل 1 - Presenting a Mathematical Programming Model for Routing and Scheduling of Cross-Dock and Transportation in Green Reverse Logistics Network of COVID-19 Vaccines Pezhman Abbasi Tavallali Mohammadreza Feylizadeh Atefeh Amindoust