TY  - BOOK
AU  - Murphy, J
AU  - Curry Jj
AU  - Casley Dj
TI  - Farmers' Estimations As A Source Of Production Data: Methodological Guidelines For Cereals In Africa
U1  - 338.1-dc20 
PY  - 1991///
CY  - Washigton
PB  - World Bank
ER  -