共 41 条
[1]
Alvensleben R. von, 1997, Agrarwirtschaft, V46, P213
[2]
[Anonymous], MAD COW CRISIS HLTH
[3]
[Anonymous], MAD COW CRISIS HLTH
[4]
[Anonymous], 1980, ADV CONSUM RES
[5]
Backer T.E., 1992, Designing health communication campaigns: What works?
[6]
BETTMAN J, 1979, INFORMATION PROCESSI
[8]
Bunn M D, 1994, Health Mark Q, V11, P75, DOI 10.1300/J026v11n03_08
[10]
CAROLL N, 1987, J HEATH CARE MARKET, V7, P33