Keskin, D. Et Al. 2008. An Analysis of Public Use Bicycle Systems from a Product Service System Perspective. Tools and Methods of Competitive Engineering , (Delft, Netherlands), 1113-1122.

Keskin, D., Brezet, H. C., BÖREKÇİ, N. A. G. Z., & Diehl, J. C., (2008). An Analysis of Public Use Bicycle Systems from a Product Service System Perspective . Tools and Methods of Competitive Engineering (pp.1113-1122). Delft, Netherlands

Keskin, Duygu Et Al. "An Analysis of Public Use Bicycle Systems from a Product Service System Perspective," Tools and Methods of Competitive Engineering, Delft, Netherlands, 2008

Keskin, Duygu Et Al. "An Analysis of Public Use Bicycle Systems from a Product Service System Perspective." Tools and Methods of Competitive Engineering , Delft, Netherlands, pp.1113-1122, 2008

Keskin, D. Et Al. (2008) . "An Analysis of Public Use Bicycle Systems from a Product Service System Perspective." Tools and Methods of Competitive Engineering , Delft, Netherlands, pp.1113-1122.

@conferencepaper{conferencepaper, author={Duygu Keskin Et Al. }, title={An Analysis of Public Use Bicycle Systems from a Product Service System Perspective}, congress name={Tools and Methods of Competitive Engineering}, city={Delft}, country={Netherlands}, year={2008}, pages={1113-1122} }