Agerbæk, Lise. “Is a Profile in Social Software a Learning E-Portfolio? If Not, Could Any Benefits Be Found from Linking the Two?”. MedieKultur: Journal of media and communication research 25, no. 46 (June 19, 2009): 12 p. Accessed January 23, 2020. https://tidsskrift.dk/mediekultur/article/view/1337.