%0 Journal Article %A Hamidi, Kolsoum, Yaghoubi, Jafar, ahadnejad Reveshty, Mohsen %T Identifying the challenges of entrepreneurial urban agricultural businesses in Zanjan Township using grounded theory %J Agricultural Extension and Education Research %V 14 %N 2 %P 19-34 %D 2021 %R %U https://sanad.iau.ir/fa/Article/825998