Costs and benefits of agricultural research : the state of the arts /

por Schuh, G. Edward 1930-, Schuh, G. Edward 1930-, Tollini, Helio
Publicado 1979

Human capital for agricultural development in Latin America /

por Schuh, G. Edward 1930-, Schuh, G. Edward 1930-, Angeli Schuh, M. Ignes
Publicado 1989

The brazilian wheat policy: its costs, benefits, and effects on food consumption /

por Calegar, Gerardo M., Calegar, Gerardo M., Schuh, G. Edward 1930-
Publicado 1988

The role of markets in the world food economy /

Publicado 1983