共 2 条
- [1] PRICES, COSTS AND MARKETING MARGINS FOR FRESH FRUITS AND VEGETABLES JOURNAL OF FARM ECONOMICS, 1962, 44 (03): : 888 - 894
- [2] THE RELATIONSHIP OF VOLUME, PRICES AND COSTS TO MARKETING MARGINS FOR FARM FOODS JOURNAL OF FARM ECONOMICS, 1960, 42 (02): : 362 - 370