共 27 条
[2]
BECKER MH, 1972, J MED ED, V47, P121
[3]
CAPLOW T, 1954, J MKTG, V19, P20
[4]
CLUFF LE, 1967, HOSP PRACT, V2, P100
[5]
Coleman J. S., 1966, MED INNOVATION DIFFU
[6]
DILLMAN DA, 1978, MAIL TELEPHONE SURVE, P187
[7]
FERBER R, 1958, J MARKETING, V23, P395
[8]
GARNIER JP, 1971, ACTUALITES CHIM THER, P9
[10]
HUGHES GD, 1971, ATTITUDE MEASUREMENT, P103