@ARTICLE {ENETE:1995, title = {Trens in food crop yields under demographic pressure in sub-Saharan Africa: the case of cassava in Southeast Nigeria}, author = {Enete, A. and Nweke, F. and Okorji, E. C. }, journal = {Outlook on Agriculture}, year = {1995}, month = {December}, volume = {24}, number = {4}, pages = {249--254}, issn = {0030-7270}, note = {RTB; Root and Tuber; Cassava}, }