Habtemariam Kassa Wondimneaw, and Tamirie Andualem Adal. “Motivating Factors to Volunteers in Hawassa”. Ethiopian Renaissance Journal of Social Sciences and the Humanities, vol. 10, no. 1, July 2023, pp. 141-56, https://erjssh.uog.edu.et/index.php/ERJSSH/article/view/451.