共 29 条
[2]
ALSTON JM, 1998, UNPUB ADVERTISING CO
[3]
ALSTON JM, 1994, PROMOTION MARKETING, P145
[6]
Boer A. J. de, 1977, Review of Marketing and Agricultural Economics, V45, P121
[9]
Coulibaly N., 1999, Agribusiness (New York), V15, P501, DOI 10.1002/(SICI)1520-6297(199923)15:4<
[10]
501::AID-AGR6>