Tác giả
North Carolina. Crop Reporting Service
North Carolina. Dept. of Agriculture
3
United States. Bureau of Agricultural Economics
3
United States. Department of Agriculture
3
North Carolina. Division of Markets
2
United States. Agricultural Marketing Service
2
North Carolina. Crop & Livestock Reporting Service
1
North Carolina. Dept. of Agriculture. Division of Statistics
1
North Carolina. Division of Agricultural Statistics
1