Popelo O, Tulchynska S, Revko A, Butko M, Derhaliuk M. Methodological Approaches to the Evaluation of Innovation in Polish and Ukrainian Regions, Taking into Account Digitalization. CER [Internet]. 2022 Mar. 22 [cited 2024 Jun. 10];25(1):55-74. Available from: https://www.czasopisma.uni.lodz.pl/CER/article/view/12940