Thuy, D.T. et al. 2015. Growth inhibition of phytoplankton communities collected from Hoan Kiem lake by different solvent extracts Eupatorium fortune Turcz. Academia Journal of Biology. 37, 2 (Aug. 2015), 164–169. DOI:https://doi.org/10.15625/0866-7160/v37n2.6600.