Omputer-Mediate Communication(CMC) and Relational Maintenance
There are some articles you can use..
Houser, M. L., Fleuriet, C., & Estrada, D. (2012). The Cyber Factor: An Analysis of Relational Maintenance Through the Use of Computer-Mediated Communication. Communication Research Reports, 29(1), 34-43. doi:10.1080/08824096.2011.639911
McGlynn III, J. (2007). More Connections, Less Connection: An Examination of Computer-Mediated Communication as Relationship Maintenance. Conference Papers -National Communication Association, 1.
Wang, H., & Andersen, P. (2007). Computer-Mediated Communication in Relationship Maintenance: An Examination of Self-Disclosure in Long-Distance Friendships. Conference Papers -International Communication Association, 1.