1. Abohassan, R.A., 2004. Carbon dynamics in a temperate agroforestry system in southern Ontario, Canada. M.Sc. Thesis, University of Guelph, Guelph, Canada, p. 118.
2. Potential of agroforestry techniques in mitigating CO2 emissions in Nigeria: some preliminary estimates;Adesina;Glob. Ecol. Biogeogr,1999
3. AFTA, 1994. Agroforestry: an integrated land-use management system for production and farmland conservation. The Agroforestry Component of the Resource Conservation Act Appraisal for the USDA-SCS.
4. Alley cropping in the moist savanna of West Africa. 1. Restoration and maintenance of soil fertility on ‘terre de barre’ soils in Bénin Republic;Aihou;Agrofor. Syst,1998
5. Alegre, J., Arevalo, L., Ricse, A., 2000. Reservas de carbono con diferentes sistemas de uso de la tierra en dos sitios de la Amazonia Peruana. ICRAF-Peru. AgroFor2-L, p. 9.