@PROCEEDINGS {ATEHNKENG:2008a, title = {Sustainable agriculture in sub-Saharan Africa: a critical look into the contraints and prospects: proceedings of the 13th Annual Lecture/Symposium by IARSAF held on 13th February 2008, IITA, Ibadan, Nigeria}, author = {Atehnkeng, J. * and Nwigwe, C. and Agbicodo, E. and Opoku, A. and Obidiegwu, J. and Acha, I. }, year = {2008}, publisher = {International Institute of Tropical Agriculture (IITA)}, address = {Ibadan, Nigeria}, isbn = {978-131-322-6}, note = {87p.}, }