Minh, Nguyễn Văn. 2012. “RESEARCH SOME BIOLOGCAL ALKALOIDS OF CATHARANTHUS ROCEUS L. IN CONDITION IN VITRO CULTURES”. <i>Vietnam Journal of Science and Technology</i> 48 (1). Hanoi, VN. https://doi.org/10.15625/0866-708X/48/1/1090.