Khieu Thi Tam, Nguyen Thi Hoang Anh, Nguyen Van Tuan, Dao Duc Thien, Tran Duc Quan, Nguyen Thanh Tam, Nguyen Chi Bao, Trinh Thi Thuy, and Tran Van Sung. 2018. “Chemical Constituents of Hedyotis Pinifolia Wall. Collected in Thua Thien Hue”. <i>Vietnam Journal of Science and Technology</i> 56 (4). Hanoi, VN:446-57. https://doi.org/10.15625/2525-2518/56/4/11164.