Ying, Loo Fung, Ling Chia Lung, Loo Fung Chiat, and Tie Fatt Hee. 2013. “Preferences in Musical Elements in Ringtone Selection: Comparison Between Music and Non-Music Undergraduate Student”. International Journal of Asian Social Science 3 (4):913-20. https://archive.aessweb.com/index.php/5007/article/view/2464.