Ngigi, Eric Mwangi
Nomngongo, Philiswa Nosizo
Ngila, Jane Catherine
Funding for this research was provided by:
Water Reseach Comission (K5/2563)
Article History
Received: 23 August 2018
Accepted: 14 October 2018
First Online: 30 October 2018
Conflict of interest
: The authors declare that there is no conflict of interest regarding the publication of this paper.