@Article{584373, author = "Magdalena Syrkiewicz-Świtała, Marlena Kotlarek", title = "The importance of social media marketing in promoting health in the opinion of inhabitants of Gliwice", year = 2017, volume = , number = 1 (47), journal = Marketing i Zarządzanie (d. Problemy Zarządzania, Finansów i Marketingu), pages = s. 353-361, }