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purdue university cooperative extension service
3 cilt bulundu.
Cilt sonuçları
Pork Industry Handbook
a Pork Checkoff Purdue University Cooperative Extension Service · Purdue University Press
1600 sayfa · 2010
Pork industry and trade
Politics & policy for food prices
Purdue University. Department of Agricultural Economics, Indiana Farm Management Association, Purdue University. Cooperative Extension Service · Purdue University, Cooperative Extension Service
81 sayfa · 1976
Agriculture and state / Food prices / Nutrition policy