TY  - BOOK
AU  - Schuh,G.Edward
AU  - Tollini,Helio
TI  - Costs and benefits of agricultural research : : the state of the ar ts / 
SN  - 0821392697
PY  - 1979///
CY  - Washington, D.C. : 
PB  - World Bank , 
KW  - Agriculture
KW  - Research
KW  - Economic aspects
ER  -