1. Alparslan Gök, S.Z.: Cooperative interval games. PhD Thesis, Institute of Applied Mathematics, Middle East Technical University, Ankara, Turkey (2009)
2. Alparslan Gök, S.Z., Branzei, R., Tijs, S.: Convex interval games. Preprint at IAM, Middle East Technical University, Ankara, Turkey, and Center for Economic Research, Tilburg University, The Netherlands (2008)
3. Alparslan Gök, S.Z., Branzei, R., Tijs, S.: Airport interval games and their Shapley value. Operations Research and Decisions, 2, 9–18 (2010)
4. Alparslan Gök, S.Z., Miquel, S., Tijs, S.: Cooperation under interval uncertainty. Math. Methods Oper. Res. 69, 99–109 (2009)
5. Alparslan Gök, S.Z., Weber, G.-W.: Cooperative games under ellipsoidal uncertainty. In: The Proceedings of PCO 2010, 3rd Global Conference on Power Control and Optimization, Gold Coast, Queensland, Australia, Feb 2–4, 2010