Economics and System Theory: Interdisciplinary Connections. Ekon. čas. Volins. nac. unìv. ìm. Lesì Ukraïnki [Internet]. 2018 Dec. 13 [cited 2024 May 3];4(16):22-7. Available from: https://echas.vnu.edu.ua/index.php/echas/article/view/389