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Studia i Materiały > 2016 > 1/2016 (20) > 88-100
Progress in Economic Sciences > 2015 > 2 > 203-215
2007 International Conference on Machine Learning and Cybernetics > 6 > 3396 - 3400
Studia i Materiały > 2016 > 1/2016 (20) > 88-100
Progress in Economic Sciences > 2015 > 2 > 203-215
2007 International Conference on Machine Learning and Cybernetics > 6 > 3396 - 3400