Nguyen Thanh Phu, Dinh Van Chien, Dao Duy Trung, Le Van Thoai, and Doan Thanh Hoa. “MULTI-RESPONSES OPTIMIZATION FOR QUALITY OF WC-12Co COATING BASED ON MRWSN METHOD”. UTEHY Journal of Applied Science and Technology, Vol. 20, Jan. 2019, pp. 16-22, http://tapchi.utehy.edu.vn/index.php/jst/article/view/55.