Mule, S., Nguta, C., Kamau, G., Ongera, G., Wangila, P., Kiplimo, J. and Chirchir, D. (2015) “Retention efficiencies of halogenated and non-halogenated hydrocarbons in selected wetland ecosystem in Lake Victoria Basin”, International Journal of Environment, 4(2), pp. 38-52. doi: 10.3126/ije.v4i2.12623.