1. Rahman, A. F., & Kiram, M. N. (2015). Bahasa Melayu Sebagai bahasa Negara Bangsa:
2. Kepentingan Melaksanakan Ujian Kecekapan Bahasa Melayu. Mahawangsa 2(1): 15-28
3. (2015).
4. Choosri, C. & Intharaksa, U. (2011). Relationship between Motivation and Students' English
5. Learning Achievement: A study of the Second - year vocational certificate level Hatyai