Ahmed Khalifa WES, Aqel Uqeel SM, Abdul Nabei SR. The Effectiveness of a Visual Thinking Networks Training Program on improving Visual Thinking Skills and Science Achievement among Hard of Hearing Students with Visual Perception Disability. PERR [Internet]. 2015 Dec. 1 [cited 2024 May 19];4(3):25-33. Available from: https://perrjournal.com/index.php/perrjournal/article/view/320