Essential Characteristics of Economic Security of Enterprises and its Definition. Ekon. čas. Volins. nac. unìv. ìm. Lesì Ukraïnki [Internet]. 2017 Sep. 26 [cited 2024 May 1];3(11):52-6. Available from: https://echas.vnu.edu.ua/index.php/echas/article/view/65