%0 Journal Article %A Maveddaty, Mahdie, Torabi, Taghi, Mahmoodzade, Mahmood, Memarnejad, Abass %T Evaluation of the impact of informal institutions on the creation of opportunistic entrepreneurship using the GMM method %J Future study Management %V 30 %N 118 %P 239-254 %D 2019 %R %U https://sanad.iau.ir/fa/Article/784307