%0 Journal Article %A Bahreini Zarj, Mohammad Ali, Mobini Dehkordi, Ali, Heirati, Nima, Meigounpoory, Mohammad Reza %T The evolution of incumbents’ role during new nanotechnology based firms’ collaboration within new product development %J Modiriat-e- farda %V 17 %N 55 %P 0-0 %D 2018 %R %U https://rimag.ir/fa/Article/25414