The Effectiveness of a Training Program Based on Multimedia on Enhancing the Teaching Process and Critical Thinking Skills of Teachers of the Deaf and Hearing-impaired in Secondary Schools. IJEMST [Internet]. 2023 Jul. 19 [cited 2025 Sep. 21];11(5):1173-8. Available from: https://ijemst.com/index.php/ijemst/article/view/630