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- [23] COURSES OFFERED AND LEVELS OF REGISTRATION IN AGRICULTURAL ECONOMICS AT LAND-GRANT INSTITUTIONS JOURNAL OF FARM ECONOMICS, 1938, 20 (03): : 687 - 694
- [25] The changing nature of agricultural markets: Implications for privatization of technology, information transfer, and land grant research and extension PRIVATIZATION OF INFORMATION AND AGRICULTURAL INDUSTRIALIZATION, 1998, : 257 - 284