translate English to French: Sustainable agriculture = Agroforestry = Organic Farming?, In: A. Leu (ed), Organically Speaking Soil and Society, 215 222, Proceedings of Inaugural Queensland Organics Conference, 31 July 2 August 2003, Cairns, Queensland, Organic Producers Association of Queensland, Mossman QLD4873, Australia.
N., Usuro, C., Anegbeh, P. O. and Tchoundjeu, Z. 2002. Domestication of Dacryodes edulis in West and Central Africa: Characterisation of Genetic Variation, Forests, Trees and Livelihoods (Special Issue on Dacryodes edulis), 12: 57-72.