Aziz, Nurul Nadwan, Zatul Amilah Shaffiei, Nur Hazwani Mohamad Roseli, Nurul Ulfa Abdul Aziz, Ariffin Abdul Mutalib, and Mohd Saifullizam Jaafar. 2011. “Assistive Courseware for Hearing Impaired Learners in Malaysia”. International Journal on Advanced Science, Engineering and Information Technology 1 (2):133-38. https://doi.org/10.18517/ijaseit.1.2.30.