Thai , V. P., N. D. Tran, and K. N. Duong. “Evaluating the Efficiency of Surface Treatment on Plastic Film PP, PE, PVC by Cold Plasma”. Journal of Technical Education Science, vol. 11, no. 1, Mar. 2016, pp. 59-64, https://www.jte.edu.vn/index.php/jte/article/view/471.