Implementation and Evaluation of an On-Demand Bus System. - Sevket Gökay; Andreas Heuvels; Robin Rogner; Karl-Heinz Krempels (VEHITS, 2017)

Heuristics for Improving Trip-Vehicle Fitness in On-demand Ride-Sharing Systems. - Sevket Gökay; Andreas Heuvels; Karl-Heinz Krempels (VEHITS, 2018)

On-demand Ride-sharing Services with Meeting Points. - Sevket Gökay; Andreas Heuvels; Karl-Heinz Krempels (VEHITS, 2019)

A High-level Category Survey of Dial-a-Ride Problems. - Sevket Gökay; Andreas Heuvels; Karl-Heinz Krempels (VEHITS, 2019)