共 14 条
[1]
ALEXANDER C, 2000, 00029 GIANN FDN AGR
[2]
BUZBY JEAN C., 2001, 799 USDA AGR EC
[3]
Calvin Linda, 2001, US FRESH FRUIT VEGET
[4]
Caswell J. A., 1998, Review of Agricultural Economics, V20, P547, DOI 10.2307/1350007
[5]
Dillman D.A., 1978, MAIL TELEPHONE SURVE
[6]
DIMITRI CA, 2003, 825 USDA AGR EC
[7]
Glaser L., 2001, Agricultural Outlook, P10
[8]
HOLLERAN E, 1997, 971 MISS U CTR INT T
[9]
KAUFMAN P, 2000, AGR INFO B, V758
[10]
RICHARDS JT, 2003, 1 USDA EC RES SERV