Omodero, C. O. “The Consequences of Shadow Economy and Corruption on Tax Revenue Performance in Nigeria”. Studia Universitatis Vasile Goldiș Arad, Seria Științe Economice, Vol. 29, no. 3, Aug. 2019, pp. 64-79, https://publicatii.uvvg.ro/index.php/studiaeconomia/article/view/596.