@incollection{Dewulf13, author = {Kristel Dewulf}, title = {Sustainable Product Innovation: The Importance of the Front- End Stage in the Innovation Process}, booktitle = {Advances in Industrial Design Engineering}, publisher = {IntechOpen}, address = {Rijeka}, year = {2013}, editor = {Denis A. Coelho}, chapter = {7}, doi = {10.5772/52461}, url = {https://doi.org/10.5772/52461} }