TY - JOUR T1 - Factors Influencing Social Media Usage in the US JF - Cyberspace Studies Y1 - 2019, LA - EN LK - ensani.ir VL - 2019, IS - 1 UR - http://ensani.ir/fa/article/400021 SP - 5 EP - 22 ID - 400021 AU - احسان شاه قاسمی AU - زهرا امام زاده KW - Facebook KW - pew KW - social media KW - Twitter ER -