فهرس المقالات Soujanya M.L. المقاله 1 - Perishable Inventory Model with Retrial Demands, Negative Customers and Multiple Working Vacations Vijaya Laxmi Pikkala Soujanya M.L. International Journal of Mathematical Modeling & Computations , العدد 5 , السنة 7 , پاییز 2017
