1. International Energy Agency: Biomass energy data, analysis and trends. West Africa (1988)
2. International Energy Agency: World Energy Outlook. West Africa (2010)
3. Blein, R., Bio, G.S., Benoît, F.D., Borgui, Y.: Agricultural potentialities of West Africa, Benin (2008)
4. Direction of the Statistics of the Ministry for Agriculture, the Breeding and of Sins: Evolution of the vegetable production of 1995–2013, Benin (2013)
5. Yatopa, A.B., Sakariyou, M., Koffi, A.: Project to develop the Benin starting from the renewable sources of energies: identification and cartography of the potentialities and matched renewable sources of energy of the possibilities of exploitation, final report-PNUD (2010)