References :

1. The effects of Social Networking Site (SNS) use on college students’
   friendship and well-being
   Jin-Liang Wang a,⇑, Linda A. Jackson b, James Gaskin c, Hai-Zhen Wang d
2. Associations Between Online Friendship and Internet Addiction AmongAdolescents and Emerging Adults
   David Smahel Masaryk University, B. Bradford Brown University of Wisconsin—Madison Lukas Blinka Masaryk University