| Type | Journal Article - Agricultural journal | 
| Title | Improving efficiency in food crop production for food security in Nigeria | 
| Author(s) | |
| Volume | 2 | 
| Issue | 1 | 
| Publication (Day/Month/Year) | 2007 | 
| Page numbers | 9-15 | 
| URL | http://docsdrive.com/pdfs/medwelljournals/aj/2007/9-15.pdf | 
| » | Nigeria - Population and Housing Census 1991 |