Bich, Hoang Thi, Le Mai Huong, Nguyen Quyet Chien, Dinh Thi Thu Thuy, Le Tat Thanh, Do Trung Sy, Le Thi Thuy Hang, and Pham Hong Hai. “Optimization of the Enzyme Assisted Extraction of Essential Oil from the Leaves and Branches of Cinnamomum Cassia Using Box-Wilson Method”. Vietnam Journal of Science and Technology 55, no. 6 (December 11, 2017): 690–697. Accessed January 9, 2026. https://vjs.ac.vn/jst/article/view/9525.