Gashi, Mentor, and Nexhit Shala. “Preconditions That Affect in Increasing Control Effect and Increased Chance for Tax Fraud Detection”. European Journal of Sustainable Development 5, no. 1 (February 1, 2016): 83. Accessed October 7, 2022. https://ojs.ecsdev.org/index.php/ejsd/article/view/306.