THE ROLE OF THE SHADOW ECONOMY IN THE NATIONAL ECONOMY OF SOME COUNTRIES AND ITS IMPACT ON ECONOMIC SECURITY. Wor.econo. and fin. Bul. [Internet]. 2022 Apr. 30 [cited 2026 Apr. 18];9:178-80. Available from: https://www.scholarexpress.net/index.php/wefb/article/view/911