Modelling of Production-Inventory Problems in a Two-Echelon Closed-Loop Supply Chain http://127.0.0.1/xmlui/handle/123456789/6478 2026-04-17T20:13:56Z 2026-04-17T20:13:56Z Modelling of Production-Inventory Problems in a Two-Echelon Closed-Loop Supply Chain Mawandiya, Bimal Kumar http://127.0.0.1/xmlui/handle/123456789/6479 2016-07-14T10:21:40Z 2016-04-01T00:00:00Z Modelling of Production-Inventory Problems in a Two-Echelon Closed-Loop Supply Chain Mawandiya, Bimal Kumar 2016-04-01T00:00:00Z