Predicting the perceived quality of a first person shooter: the Quake IV G-model. - A. F. Wattimena; Robert E. Kooij; J. M. van Vugt; O. K. Ahmed (NETGAMES, 2006)

Impact of Advertisements during Channel Zapping on Quality of Experience. - Bruhtesfa E. Godana; Robert E. Kooij; O. K. Ahmed (ICNS, 2009)

Estimating the impact of single and multiple freezes on video quality. - S. van Kester; T. Xiao; Robert E. Kooij; Kjell Brunnström; O. K. Ahmed (Human Vision and Electronic Imaging, 2011)