Thi Thuy, Nguyen, Nguyen Thanh Liem, & Vu Minh Duc. " The Selectivity of Tungstate-based Catalyst in Epoxidation of Modified and Non-modified Rubber Seed Oil." VNU Journal of Science: Natural Sciences and Technology [Online], 34.4 (2018): n. pag. Web. 19 Apr. 2024