Ying, Cr. Ling. “Study on the Effectiveness of Computer Application Course to the Polytechnics Students in the Working Environment”. Journal of Education and Vocational Research 3, no. 11 (November 15, 2012): pp. 344-352. Accessed November 21, 2024. https://ojs.amhinternational.com/index.php/jevr/article/view/88.