Gerstenkorn, T. (2014) “A PRACTICAL AND SIMPLE MANNER OF EVALUATION OF THE EFFICACY OF IMPROVEMENT METHOD CASE IN CASE OF UNFAVOURABLE ECONOMIC SITUATIONS ON THE BASIS OF FUZZY SET THEORY”, Acta Universitatis Lodziensis. Folia Oeconomica, 3(302). Available at: https://czasopisma.uni.lodz.pl/foe/article/view/66 (Accessed: 6 November 2024).