Making The Grade - How Boards Can Ensure Academic QualityPeter T. Ewell · First published 2006Open the Tome
Manejo de plagas de la papa por los agricultores en el PerúPeter T. Ewell · First published 1994Open the Tome
Enhancing Information Use in Decision Making (New Directions for Institutional Research, No 64)Peter T. Ewell · First published 1990Open the Tome
Linkages between on-farm research and extension in nine countriesPeter T. Ewell · First published 1989Open the Tome
Organization and management of field activities in on-farm researchPeter T. Ewell · First published 1988Open the Tome
