Tri, N. M., Loc, N. B., & Thang, N. V. (2012). Studying of the biological characteristics of vetiver - Vetiveria zizanioides (L.) Nash in Thua Thien - Hue province. Academia Journal of Biology, 32(1), 44–50. https://doi.org/10.15625/0866-7160/v32n1.652