S. A. . Jamaluddin, N. A. . Khairol Azmi, M. Z. . Che Azemin, . N. . Ali Hanafiah, and . G. . O‘Beirne, “LISTENING EFFORT BETWEEN AUDITORY-ONLY, VISUAL-ONLY, AND AUDITORY-VISUAL SPEECH PERCEPTION IN NORMAL HEARING LISTENERS AS MEASURED USING PUPILLOMETRY”, Inter. J. All. Heal. Sci., vol. 5, no. 3, p. 2252, Jun. 2021.