@ARTICLE {NWEKE: 1994h, title = {Expenditure elasticities of demand for major food items in south-east Nigeria}, author = {Nweke, F. and Okorji, E. C. and Njoku, J. E. and King, D. J. }, journal = {Tropical Agriculture}, year = {1994}, volume = {71}, number = {3}, pages = {229--234}, issn = {0041-3216}, }