Kamaruddin, R. ., N. A. . Ahmad, J. M. . Saad, M. . Kamaruddin, and Z. . Seruji. “Attitudes As Extra Linguistic Factor in Learning Second Language Among Foreign Students in 5 Universities in Malaysia”. International Journal of Asian Social Science, vol. 8, no. 3, Mar. 2018, pp. 116-23, doi:10.18488/journal.1.2018.83.116.123.