1. Berry, D. (1988), “The
marketing concept revisited: it′s setting goals, not making a mad dash
for profits”, Marketing News, 18 July,
pp. 26‐8.
2. Berton, L. (1989), “Innovating means taking time from same old grind”, Wall
Street Journal, 31 August, p. B2.
3. Brown, R. (1992), “Managing
the ′S′ curves of innovation”, The Journal of Consumer
Marketing, Winter, pp. 61‐72.
4. Crawford, C.M. (1977), “Marketing research and the new product failure rate”, Journal of Marketing, April, pp. 51‐61.
5. Evans, J.R. and Berman, B. (1987), Marketing, 3rd ed., Macmillan,
New York, NY.