van Duin, Ron, Marijn Slabbekoorn, Lori Tavasszy, and Hans Quak. 2018. “Identifying Dominant Stakeholder Perspectives on Urban Freight Policies: A Q-Analysis on Urban Consolidation Centres in the Netherlands”. Transport 33 (4):867-80. https://doi.org/10.3846/16484142.2017.1350996.