Wiele, A. van der, Verlegh, P.W.J.
hdl.handle.net/2105/27113
Management of Innovation
Rotterdam School of Management

Stols, R.R.G.B. (2009). Beyond critical mass: Causal associations with the use of a group buying system that focuses on commodities. In Management of Innovation.http://hdl.handle.net/2105/27113