Radu, C. F. “Aspects Concerning Tax Evasion in Alba County and Brașov Region”. Studia Universitatis Vasile Goldiș Arad, Seria Științe Economice, Vol. 24, no. 1, Mar. 2014, pp. 108-21, https://publicatii.uvvg.ro/index.php/studiaeconomia/article/view/293.