Terrefe, Mulugeta. “A Close Scrutiny of Self-Assessment System and Its Impact on the Tax Compliance Level of Taxpayers: The Case of Wolaita Zone”. American Scientific Research Journal for Engineering, Technology, and Sciences 20, no. 1 (June 3, 2016): 78–103. Accessed December 7, 2024. https://asrjetsjournal.org/index.php/American_Scientific_Journal/article/view/1593.