Kalungu, Jokastah W.; Leal, Walter; Mwangi, Moses
(Springer Netherlands, 2013)
Africa’s population is expected to rise to 1.8 billion by 2050 (Gregory 2009). In Kenya the population was 15.3 million in 1979 and by 2009 it had grown by 23.3 million to reach 38.6 million (MOP 2009) population and housing ...