Kosiorowski D, Mielczarek D, Rydlewski JP. A Critical Study of Usefulness of Selected Functional Classifiers in Economics. Folia Oeconomica [Internet]. 2020 Apr. 3 [cited 2024 May 2];2(347):71-90. Available from: https://www.czasopisma.uni.lodz.pl/foe/article/view/3960