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Intensification of peasant agriculture in Yucatan / Peter T. Ewell. (International agricultural economics study series ; 21) (A.E. research ; 84-4)

Intensification of peasant agriculture in Yucatan / Peter T. Ewell. (International agricultural economics study series ; 21) (A.E. research ; 84-4)
Paper図書
Dept. of Agricultural Economics, New York State College of Agriculture and Life Sciences, Cornell University[1984]<DM83-A137>
National Diet Library
  • Author HeadingEwell, Peter T., 1947-

Farmer management of potato insect pests in Peru (Food systems research series)

Farmer management of potato insect pests in Peru (Food systems research series)
Paper図書
Peter T. Ewell ... [et al.]International Potato Center1990
Other Libraries in Japan
  • Author HeadingEwell, Peter T., 1947- International Potato Center

Uxpanapa (Pergamon policy studies on international development)

Uxpanapa (Pergamon policy studies on international development)
Paper図書
Peter T. EwellPergamon Pressc1980
Other Libraries in Japan
  • Author HeadingEwell, Peter T., 1947- Poleman, Thomas T.

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