International Journal of Supply and Operations Management 2 4 2016 02 01 Supplier Selection in Three Echelon Supply Chain & Vendor Managed Inventory Model Under Price Dependent Demand Condition1079 1101 en Mohammad Sohrabi Department of industrial engineering, PNU University, Tehran, Iran Parviz Fattahi Department of Industrial Engineering Bu Ali Sina University, Hamadan, Iran Amir Kheirkhah Department of Industrial Engineering Bu Ali Sina University, Hamadan, Iran Gholamreza Esmaeilian Department of Industrial Engineering PNU University, Isfahan, Iran 2016 03 16 Supplier Selection Vendor managed inventory Price Dependent Demand Harmony search http://www.ijsom.com/pdf_2651_490e66dd44181af162c75ab1195f210f.html