Słupińska (Peszko) K, Szwajlik A. Scope of the Use of Research Methods in the Process of Developing Innovation Products and the Possibilities of Using it in Researching Social Media. SOEP [Internet]. 2017 May 31 [cited 2026 Sep. 3];6(5):90-103. Available from: https://journals.ue.poznan.pl/soep/article/view/3817