Duffield, James A.
VIAF ID: 38931031 (Personal)
ISNI-test: 0000 0000 8222 0154
|Biodiesel development new markets for conventional and genetically modified agricultural products|
|Estimating farm labor elasticities to analyze the effects of immigration reform|
|Labor expenditures help determine farms affected by immigration reform, 1989:|
|Will immigration reform affect the economic competitiveness of labor-intensive crops|