Hoang , M. H. and Vo , T. N. (2016) “Flavonoids and chalconoid isolated from flowers of cosmos bipinnatus cav. (asteraceae)”, Journal of Technical Education Science, 11(Special Issue 02), pp. 48–53. Available at: https://www.jte.edu.vn/index.php/jte/article/view/427 (Accessed: 7 April 2026).