1. (2017) International Rankings of Burundi-2017; Burundi Data Portal.https://burundi.opendataforafrica.org/data#menu=topic
2. Statistical comparison of solar radiation correlations Monthly average global and diffuse radiation on horizontal surfaces
3. Iqbal, M. (1983) An Introduction to Solar Radiation. Academic Press, Toronto.
4. Analysis of daily global irradiation data for five sites in Rwanda and one in Senegal
5. Bashahu, M. and Mpanzimana, D. (2009) Estimation of the Monthly Average Daily Global Solar Irradiation with Climatological Parameters at Some Burundian Stations. International Review of Physics, 3, 237-243.