Pham, Trung, Bui, Yen Linh, Hoang, Nhat, Do, Dang, AND Nguyen, Ngoc. " Determination of Reactivity Ratios of N-butyl Acrylate/methyl Methacrylate Copolymerization by NMR Spectroscopy" VNU Journal of Science: Natural Sciences and Technology [Online], Volume 40 Number 3 (7 September 2024)