AU - Al khalifah, Ahmed A. OP - pp. 1-15 T1 - Smartphones as clickers for hearing impaired students : an exploratory study [Article] UL - http://search.shamaa.org/PDF/Articles/EGJes/JesVol27No4P5Y2019/jes_2019-v27-n4-p5_001-015_eng.pdf Full text (PDF) 1 http://search.shamaa.org/fulltext.gif