Thuy, D. T., H. T. Cuong, L. T. Phuong Quynh, N. T. Dat, P. T. Nga, V. T. Nguyet, and D. D. Kim. “Growth Inhibition of Phytoplankton Communities Collected from Hoan Kiem Lake by Different Solvent Extracts Eupatorium Fortune Turcz”. Academia Journal of Biology, vol. 37, no. 2, Aug. 2015, pp. 164-9, doi:10.15625/0866-7160/v37n2.6600.