Smoląg, Klaudia, and Anna Lemańska-Majdzik. “Role And Importance Of Fanpage In Promotion Of Products And Services”. KnE Social Sciences 1, no. 2 (March 19, 2017): 211–224. Accessed July 2, 2025. https://knepublishing.com/index.php/KnE-Social/article/view/658.