Barkema, H.G., Otten, J.A.
hdl.handle.net/2105/24755
Management of Innovation
Rotterdam School of Management

Willems, S. (2009). Customer involvement during the new product development process at a fast moving consumer good company: The lead user method & online toolkits for user innovation at Danone. In Management of Innovation.http://hdl.handle.net/2105/24755