REFERENCES
Armstrong, S. (2012).Negative Effects of Social Networking Sites for Students. Retrieved from www.business2community.com/ on 12-07-2016
Barker, V. (2009). Older adolescents’ motivations for social network site use: The influence of gender, group identity, and collective self-esteem. Retrieved from http://www.ncbi.nim.nih.gov/pubmed/ on 10-07-2016
Bello, A.A. (2012). Effects of Social Networking on Nigerian youths/Students. Retrieved from http://www.communityresearch.org.nz/ on12-07-2016
Bowen, G. (2008). Preventing school dropout: The eco-interactional developmental model of school success. The Prevention Researcher, Retrieved from https://www.researchgate.net/ on 08/07/2016
Boyd, D. M. (2007). Why youth (heart) social network sites: The role of networked publics in teenage social life. MacArthur Foundation Series on Digital Learning-Youth, Identity, and Digital Media Volume. Cambridge, M.A.: MIT Press. 1-26.
Boyd, D. M. and Ellison, N. B (2007). “Social network sites: Definition, history, and scholarshipâ€. Journal of Computer-Mediated Communication, Vol.13(1), 1-11. Retrieved from
http://jcmc.indiana.edu/vol13/issue1/boyd.ellison.html.
Boyd D.M. and Ellison N.B (2007). Timeline of the launch dates of many major Social Networking Sites. Retrieved from
http://www.onlinelibrary.wiley.com/
Coyle, C., & Vaughn, H. (2008). Social networking: Communication revolution or evolution? In Bell Labs Technical Journal, Vol. 13(2), 13-17. Retrieved from https://www.researchgate.net/pdf on 12/04/2016
Domizi, D.P. (2013). Microblogging to foster connections and community in a weekly graduate seminar course. In TechTrends , Vol. 57(1), 43-51. Retrieved from https://www.researchgate.net/pdf
Eick, C.J. & King, D.T. (2012). Non-science Majors’ Perceptions on the Use of YouTube Video to Support Learning in an Integrated Science Lecture. In Journal of College Science Teaching, 42(1), 26-30. Retrieve from https://www.learntechchib.org
Ellison, N., Steinfield, C. and Lampe .C. (2007). The benefits of Face book "Fiends;" Social Capital and College Students' Use of Online Social Network Sites. In Journal of Computer-Mediated Communication. Retrieved from
www.onlinelibrary.wiley.com/doi/10.1111/j
Gao, F., Luo, T., and Zhang, K. (2012). “Tweeting for learning: A critical analysis of research on microblogging in education published in 2008- 2011â€. British Journal of Educational Technology, Vol. 43 (5), 783-801.
Geach, N. and Haralambous, N. (2009). Regulating harassment: Is the law fit for the Social networking age? The Journal of Criminal Law, Vol.73, 241-257.
Greenfield, P. and Subrahmanyam, K. (2008). Online communication and adolescent relationships. The Future of Children, 18, 119-140. Retrieved from http://www.futureofchildren.org/