Hassan, Rosilah, Sura Khalil Abd, Wahiza Wahi, and Fatin Hazwani Siran. 2018. “The Use of Messaging Applications Among University Students: A Case at Universiti Kebangsaan Malaysia”. International Journal of Engineering & Technology 7 (3.20): 925-31. https://doi.org/10.14419/ijet.v7i3.20.28419.