GEMECHU, Eyasu, Kassa MICHAEL, and Mulugeta ATNAFU. “A MATLAB Supported Learning and Students’ Conceptual Understanding of Domain and Range of a Function of Two Variables: Wolkite University, Ethiopia”. The Eurasia Proceedings of Educational and Social Sciences 16 (June 21, 2020): 18–28. Accessed July 4, 2025. https://epess.net/index.php/epess/article/view/567.