TY  - BOOK
AU  - Barreto, Antonio,
TI  - A study of the social and economic implications of the large scale introduction of high-yielding varieties of foodgrain: A selection of readings
AV  - HD9030 N32
PY  - 1972///
CY  - Geneva
PB  - Unrisd
KW  - Granos
KW  - Granos como alimento
ER  -