Whai, M. K. G., W. T. Wei, and C. K. Man. “Writing Difficulties Faced by Politeknik Kuching Sarawak Commerce Diploma Students in Doing Their Assignments”. AJELP: Asian Journal of English Language and Pedagogy, vol. 1, Dec. 2013, pp. 90-101, https://ejournal.upsi.edu.my/index.php/AJELP/article/view/783.