Food regulation and tradeTimothy Edward Josling, David Orden, Institute for International Economics (U. S.), Donna H. Roberts · First published 2004Open the Tome
A framework for analyzing technical trade barriers in agricultural marketsDonna H. Roberts · First published 1999Open the Tome
Global review of agricultural policiesDonna H. Roberts, David W. Skully · First published 1994Open the Tome
Government intervention in Latin American agriculture, 1982-87Donna H. Roberts · First published 1991Open the Tome