1. J. Hellstro¨ m, P.-E. Tro¨ ften, The innovative use of mobile appli- cations in East Africa, Swedish international development cooper- ation agency (Sida), 2010. https://www.sida.se/contentassets/ b55f10e43c874c9da41203d991a7eaa0/14993.pdf.
2. GSMA, The mobile economy Sub-Saharan Africa 2015., GSMA Intelli- gence. Regional report. https://gsmaintelligence. com/research. Accessed on 23/03/2016., 2015.
3. R. Nickerson, M. Austreich, J. Eng, "Mobile technology and smartphone apps: A Diffusion of innovations analysis," in 20th Americas Conference on Information Systems, AMCIS 2014, 2014, pp. 1-12.
4. G. Van Zyl, Why Kenya's fixed line market is shrinking., itweb. https://itweb.africa/content/KjlyrvwdnK57k6am. Accessed on 24/06/2016., 2013.
5. S. Lee, M. Marcu, S. Lee, "An empirical analysis of fixed and mobile broad- band diffusion," Information Economics and Policy, 23(3-4), 227-233, 2011. DOI: https://doi.org/10.1016/j.infoecopol.2011.05.001.