Kagwathi, G. S., J. N. Kamau, M. M. Njau, and E. K. Kagiira. “FACTOR INFLUENCING MOBILE NUMBER PORTABILITY(MNP) IN KENYA: THE CASE OF AFRICA NAZARENE UNIVERSITY”. European Scientific Journal, ESJ, Vol. 9, no. 21, July 2013, doi:10.19044/esj.2013.v9n21p%p.