Le, T.; Vu, K.; Nguyen, Q.-T.; Huynh, P.; Huynh, K.-L.; Tong, K.; Pham, T.; Tran Nguyen Minh, A.; Nguyen, V. C.; Phung, T. K. Fractionation of Lignin Produced from the Earleaf Acacia Tree by Sequential Industrial Organic Solvents. Science and Technology Development Journal 2021, 24, 840-846.