Radu, Claudia Florina, Florin Cornel Dumiter, Lavinia Dudaș, and Ștefania Jimon. “Study on Budget Revenue Collection, Shadow Economy and Tax Losses Caused by It”. Studia Universitatis Vasile Goldiș Arad, Seria Științe Economice 27, no. 2 (June 28, 2017): 1-18. Accessed March 29, 2024. https://publicatii.uvvg.ro/index.php/studiaeconomia/article/view/190.