Thach, B. D., Hieu, N. M., Phuong Uyen, P. T., Suong, N. K., & Ho, N. H. (2012). Creation in vitro materials and initial study of creating hairy root from Plumbago zeylanica L. Academia Journal of Biology, 34(3se), 161–169. https://doi.org/10.15625/0866-7160/v34n3se.1796