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- [4] THE CONTRASTS OF THE AMERICAN AGRICULTURAL ECONOMICS ANNALES DE GEOGRAPHIE, 1951, 60 (318): : 59 - 62
- [5] THE FUNCTION OF LAND ECONOMICS IN AGRICULTURAL DEVELOPMENT JOURNAL OF FARM ECONOMICS, 1954, 36 (05): : 1163 - 1171
- [7] THE ECONOMICS OF CONSUMPTION AS A FIELD FOR RESEARCH IN AGRICULTURAL ECONOMICS JOURNAL OF FARM ECONOMICS, 1929, 11 (04): : 565 - 573
- [8] THE CHALLENGE OF AGRICULTURAL ECONOMICS TO EXTENSION WORK JOURNAL OF FARM ECONOMICS, 1953, 35 (05): : 989 - 992