[24]abdul ali,et al. product innovation and entry strategy. journal of product innovation management 1995. 12(12):54-69
[25]eric vin hippel. the sources of innovation. oxford university press. 1988
[26] shtub a, zimerman y. a neural-network-based approach for estimating the cost of assembly. international journal of production economics, 1993. 32: 189-207
[27] wee-liang tan, dattarreya g. allampalli, investment criteria of singapore capitalists, 1997 international council for small business, san francisco, california, june 1997
[28]michael henos, the road to venture financing: guidelines for entrepreneuts, r&d straregist magazine,summer 1991
[29]chow gc, the largrange method of optimization with applications to portfoli and investment decisions. j of economic dymamics and control 1996
[30]jensen, r.. information cost and innovation adoption policies, management science. vol.34, no.2, feb, 1988
[31]r.k. zutshi, t.w.liang, d.g.allampulli, singapore venture capitalists investment evaluation criteria: a reexamination. small business economics 13:9-26(1999)
[32]andrew l. zacharakis, g.dale meyer. a lack of insight: do venture capitalists really understand their own decision process? journal of business venturing (1998) 13: 57-76
[33]dean a. shepherd, richard ettenson. new venture strategy and profitability: a venture capital`s assessment. journal of business venturing()