摘要：This paper contains contributions presented at the meeting held on April 10, 2002 at the Faculty of Economics Zagreb, on the occasion of the 80th birthday of Ljubomir Martić, Ph. D., distinguished and outstanding retired Professor of the Faculty of Economics Zagreb. It also contains titles of papers presented on the same occasion in two sessions at the 9th International Conference on Operational Research in Trogir, October 2, 2002.
