Jafarzadeh,M. R. , , Hoseinzadehshahri,M. , , Rahchamani,A. , and Saei Arsi,I. . "Proposing a model for entrepreneurship opportunities and challenges in online social networks in Iran", Commercial Strategies, 16, 14, 2020, 201-212. doi: 10.22070/cs.2020.2474