W. Njiru, C., Letema, S. C. and Maingi, S. M. (2018) “Socio-Economic Factors of Small Hydropower and Biogas Plants and their Implications for Rural Energy Poverty Alleviation in Kirinyaga, Kenya”, JNRD - Journal of Natural Resources and Development, 8, pp. 101–114. doi: 10.5027/jnrd.v8i0.10.