1. 1) Malawi Government, "Reports on Integrated Energy Policy in Malawi," Department of Energy and Mines, Lilongwe, Malawi, 2009.
2. 2) Hagan, E. B., Biofuels Assessment Report—ECOWAS Sub-Region, A paper presented at the AU/Brazil/UNIDO Biofuels Seminar in Africa, Addis Ababa, Ethiopia, 2007.
3. 3) Karekezi, S., Biofuels in Eastern and Southern Africa, A paper presented at the AU/Brazil/UNIDO Biofuels Seminar in Africa, Addis Ababa, Ethiopia, 2007.
4. 4) Raemaekers, R. H., "Crop production in Tropical Africa," DGIC, Ministry of Foreign Affairs, External Trade and International Cooperation, Brussels (2001), 1562 pp. (BISA: F015-249).
5. 5) Suppes, G. J., Dasari, M. A., Doskocil, E. J., Mankidy, P. J., Goff, M. J., Appl. Catal. A: General, 257, 213 (2004).