Sintayehu Sibera Mehale. “Role of a Cash Register Machine in Improving the Turn Over Tax Revenue in Wolaita Zone, Southern Ethiopia”. International Journal of Applied Sciences: Current and Future Research Trends 7, no. 01 (December 2, 2020): 21–34. Accessed October 9, 2025. https://ijascfrtjournal.isrra.org/Applied_Sciences_Journal/article/view/1189.