Nam, Nguyen, Nguyen Huu Tho, Nguyen Minh Ngoc, & Pham Quang Trung. " Application of 1H DOSY NMR in Measurement of Polystyrene Molecular Weights." VNU Journal of Science: Natural Sciences and Technology [Online], 36.2 (2020): n. pag. Web. 22 Dec. 2024