(1)
Sahrir, M. S. bin; Yahaya, M. F.; Ismail, T.; Zubir, M. A.; Ahmad, W. R. W. Development and Evaluation of I-Mutawwif: A Mobile Language Traveller Guide in Arabic for Mutawwif (Umrah Tour Guide). Int. J. Interact. Mob. Technol. 2018, 12, pp. 54-68.