1. D.T. Pham, E. Koç, A. Ghanbarzadeh, S. Otri, S. Rahim, M. Zaidi, The bees algorithm – a novel tool for complex optimisation problems, in: Proceedings of the Second International Virtual Conference on Intelligent Production Machines and Systems, 2006a, pp. 454–461.
2. An algorithm for the generalized assignment problems;Martello,1981
3. Knapsack Problems: Algorithms and Computer Implementations;Martello,1990
4. D. Cattrysse, Set partitioning approaches to combinatorial optimization problems, Ph.D. Dissertation, Katholieke Universiteit Leuven, Centrum Industrieel Beleid, Belgium, 1990.
5. A set partitioning heuristic for the generalized assignment problem;Cattrysse;European Journal of Operational Research,1994