Tham, Do Quang, Tran Thi Mai, Thai Hoang, Nguyen Thi Thu Trang, Nguyen Thuy Chinh, and Dam Xuan Thang. 2019. “Preparation and Ftir Studies of PMMA PVC Polymer Blends, PVC-G-PMMA Graft Copolymers and Evaluating Graft Content”. Vietnam Journal of Science and Technology 57 (1). Hanoi, VN:48-57. https://doi.org/10.15625/2525-2518/57/1/12682.