References
- Koutamanis, M., Vossen, H. G. M., Peter, J., & Valkenburg, P. M. (2013). Practice makes perfect: The longitudinal effect of adolescents' instant messaging on their ability to initiate offline friendships. Computers in Human Behavior, 29, 2265–2272. 10.1016/j.chb.2013.04.033.