Fedotova I, Kryvoruchko O, Shynkarenko V, Bocharova N, Sotnychenko L, Dimitrakieva S. Using the elements from a fuzzy sets theory in the process of diagnosing the loyalty of consumers of motor transport services. EEJET [Internet]. 2019May29 [cited 2024Nov.24];3(3 (99):39-4. Available from: https://journals.uran.ua/eejet/article/view/169079