TIMERGA, G. . Service User Perception of Service Quality in Addis Ababa City Administration, Ethiopia. African Journal of Leadership and Development, [S. l.], v. 6, n. 2, p. 86–99, 2021. DOI: 10.63990/2021ajoldvol6iss2pp86-99. Disponível em: https://ejol.aau.edu.et/index.php/ajold/article/view/12591. Acesso em: 10 oct. 2025.