Endale Mulugeta, Honelet. “Implementation of Voice Service Design for Ethiopian Higher Education institute:: A Systems Design Framework, ‘in Exploring Dynamic Voice Response System by Integrating Text to Speech Engine Innovative’”. Harla Journal of Engineering and Technology 1, no. 2 (December 30, 2022): 50–62. Accessed October 18, 2024. http://journals.ddu.edu.et/index.php/HJET/article/view/80.