Mirzyńska, A., O. Kosch, M. Schieg, K. Šuhajda, and M. Szarucki. “Exploring Concomitant Concepts in the Discussion on the Circular Economy: A Bibliometric Analysis of Web of Science, Scopus and Twitter”. Technological and Economic Development of Economy, vol. 27, no. 6, Nov. 2021, pp. 1539-62, doi:10.3846/tede.2021.15801.