OPTIMIZATION AS THE BASIS FOR PLANNING OF CHANGE IN THE REGULATORY POLICY OF THE DEVELOPMENT OF NATIONAL ECONOMY. Ekon. čas. Volins. nac. unìv. ìm. Lesì Ukraïnki [Internet]. 2019 Sep. 27 [cited 2024 Apr. 28];3(19):23-30. Available from: https://echas.vnu.edu.ua/index.php/echas/article/view/473