Yazar
rex w cox
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Cilt sonuçları
Outdoor recreation activities of North Dakota residents
Rex W. Cox · Dept. of Agricultural Economics, Agricultural Experiment Station
54 sayfa · 1970
Outdoor recreation
Outdoor recreation in North Dakota
Rex W. Cox · Dept. of Agricultural Economics, North Dakota State University
53 sayfa · 1968
Outdoor recreation
Upper Midwest agriculture
Arvid C. Knudtson, Rex W. Cox · Upper Midwest Economic Study
42 sayfa · 1962
Agriculture / Economic aspects