共 25 条
[11]
LEUTHOLD F, 1967, THESIS MICHIGAN STAT
[13]
MAHAJAN V, 1979, J MARKETING, V43, P56
[14]
Menzel H., 1981, BIOMEDICAL INNOVATIO, P155
[15]
Midgley D.F., 1977, INNOVATION NEW PRODU
[16]
MYERS JC, 1966, P AM MARKETING ASS, P756
[17]
RAO GA, 1980, INDIAN J EXTENSION E, V16, P1
[19]
Rogers E.M., 1982, DIFFUSION INNOVATION
[20]
Rogers E. M., 1969, MODERNIZATION PEASAN