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 , Jordan, v. 8, n. 01, p. 56–68, 2020. Disponível em: https://ijascfrtjournal.isrra.org/Applied_Sciences_Journal/article/view/1195. Acesso em: 9 oct. 2025.