Idumah Okogwu O, Ugwumba AO. Seasonal dynamics of phytoplankton in two tropical rivers of varying size and human impact in Southeast Nigeria. Rev. Biol. Trop. [Internet]. 2013Dec.1 [cited 2024Dec.19];61(4):1827–1840. Available from: https://revistas.ucr.ac.cr/index.php/rbt/article/view/12855