1. Eight types of product–service system: eight ways to sustain-ability? experiences from suspronet;Tukker;Business strategy and the environment,2004
2. State-of-the-art in product-service systems. Proceedings of the Institution of Mechanical Engineers;Baines;Part B: journal of engineering manufacture,2007
3. Goedkoop, M., van Halen, C., te Riele, H., Rommens, P. Product service systems, ecological and economic basics. 1999.
4. Qualitative system dynamics cycle network of the innovation process of product service systems;Grüneisen;Procedia CIRP,2015
5. Current practices of engineering change management in uk manufacturing industries;Huang;International Journal of Operations & Production Management,1999