International Institute for Applied Systems Analysis., Korhonen, P., Lewandowski, A., & Wallenius, J. (1991). Multiple criteria decision support: Proceedings of the international workshop held in Helsinki, Finland, August 7-11, 1989. Berlin: Springer-Verlag.
Παραπομπή Chicago StyleInternational Institute for Applied Systems Analysis., Pekka Korhonen, Andrzej Lewandowski, and Jyrki Wallenius. Multiple Criteria Decision Support: Proceedings of the International Workshop Held in Helsinki, Finland, August 7-11, 1989. Berlin: Springer-Verlag, 1991.
Παραπομπή MLAInternational Institute for Applied Systems Analysis., Pekka Korhonen, Andrzej Lewandowski, and Jyrki Wallenius. Multiple Criteria Decision Support: Proceedings of the International Workshop Held in Helsinki, Finland, August 7-11, 1989. Berlin: Springer-Verlag, 1991.