Scientific journal articles 

Cytotoxicity of selected medicinal plants extracts using the brine shrimp lethality assay from Samburu county, Kenya (2018). Kamanja IT , Mbaria JM , Gathumbi PK , Mbaabu M , Kabasa John D , Kiama SG. Journal of Medical Research: 4(5): 249-255 http://www.medicinearticle.com/

Medicinal Plants Used in the Management of Sexually Transmitted Infections by the Samburu Community, Kenya (2015). Kamanja I.T.1 , Mbaria, J.M. , Gathumbi, P.K. , Mbaabu, M. , Lanyasunya, A. Gakuya, D.W. , Kabasa, John D. and Kiama, S.G.International Journal of Pharmaceutical Research:7(2). ijpr_2015_72_44-52_research_5-_mgt_std_samburu.pdf (uonbi.ac.ke) 

A survey of  Schistodoma bovis in Cattle in Kwale District, Kenya (2011). I.T. Kamanja.S.M. Githigia, G.M. Muchemi, C. Mwandawiro. Bulletin of Animal Health and Production Africa: 59(2) eISSN: 0378-9721

Conferences