Abdullah , Muhammad Alif Redzuan, and Sanimah Hussin. “Penggunaan Lagu Dalam Meningkatkan Penguasaan Kosa Kata Dalam Kalangan Pelajar Bahasa Jepun Di Universiti Putra Malaysia: Usage Os Songs in Enhancing Vocabulary Acquisition Among Japanese Language Learners in Universiti Putra Malaysia”. The Journal of Social Analysis and Sustainability Studies (JSASS), vol. 5, no. 2, Dec. 2018, pp. 279-88, https://www.jsass.uis.edu.my.kuisjournal.com/index.php/jsass/article/view/67.