Fuzzy priority heuristics for project scheduling. - Maciej Hapke; Roman Slowinski (Fuzzy Sets Syst., 1996)

Interactive analysis of multiple-criteria project scheduling problems. - Maciej Hapke; Andrzej Jaszkiewicz; Roman Slowinski (Eur. J. Oper. Res., 1998)

Pareto Simulated Annealing for Fuzzy Multi-Objective Combinatorial Optimization. - Maciej Hapke; Andrzej Jaszkiewicz; Roman Slowinski (J. Heuristics, 2000)

Performance of Multiple Objective Evolutionary Algorithms on a Distribution System Design Problem - Computational Experiment. - Andrzej Jaszkiewicz; Maciej Hapke; Pawel Kominek (EMO, 2001)

Flexible Querying with Fuzzy Projection. - Krzysztof Dembczynski; Maciej Hapke; Dominik Przybyl (AWIC, 2005)