Guillen, M. F.; Suárez, S. L. (2005). "Explaining the global digital divide: Economic, political and sociological drivers of cross-national internet use". Social Forces. 84 (2): 681–708. CiteSeerX10.1.1.649.2813. doi:10.1353/sof.2006.0015. S2CID3124360.
Pick, J.; Azari, R. (2008). "Global Digital Divide: Influence of Socioeconomic, Governmental, and Accessibility Factors on Information Technology". Information Technology for Development. 14 (2): 91–115. doi:10.1002/itdj.20095. S2CID214654004.
"Individuals using the Internet 2005 to 2014", Key ICT indicators for developed and developing countries and the world (totals and penetration rates), International Telecommunication Union (ITU). Retrieved May 25, 2015.
Guillen, M. F.; Suárez, S. L. (2005). "Explaining the global digital divide: Economic, political and sociological drivers of cross-national internet use". Social Forces. 84 (2): 681–708. CiteSeerX10.1.1.649.2813. doi:10.1353/sof.2006.0015. S2CID3124360.
Guillen, M. F.; Suárez, S. L. (2005). "Explaining the global digital divide: Economic, political and sociological drivers of cross-national internet use". Social Forces. 84 (2): 681–708. CiteSeerX10.1.1.649.2813. doi:10.1353/sof.2006.0015. S2CID3124360.
Pick, J.; Azari, R. (2008). "Global Digital Divide: Influence of Socioeconomic, Governmental, and Accessibility Factors on Information Technology". Information Technology for Development. 14 (2): 91–115. doi:10.1002/itdj.20095. S2CID214654004.