Cao, Dai, Phuong Vu, and Phuong Quach. 2017. “Effect of Growth Factors on the Production of Biomass of the Hairy Root of Urena Lobata”. Science & Technology Development Journal: Natural Sciences 1 (T3), 16-25. https://doi.org/https://doi.org/10.32508/stdjns.v1iT3.459.