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- [21] MARKETING COSTS AND MARGINS - CURRENT USE IN AGRIBUSINESS MARKET-STRUCTURE ANALYSIS JOURNAL OF FARM ECONOMICS, 1965, 47 (05): : 1352 - 1365
- [25] PROFITS AND LOSSES IN EGG STORAGE JOURNAL OF BUSINESS OF THE UNIVERSITY OF CHICAGO, 1933, 6 (03): : 226 - 239