فهرس المقالات inventory . Multi-period . Closed-loop supply chain . Lost sales . Backlog حرية الوصول المقاله صفحة الملخص نص كامل 1 - New mathematical modeling for a location–routing–inventory problem in a multi-period closed-loop supply chain in a car industry F. Forouzanfar R. Tavakkoli-Moghaddam M. Bashiri A. Baboli S. M . Hadji Molana