RD, Nwamo, Ndjouondo GP, and Dibong SD. 2021. “Assessment of the Ecological Status of the Rivers of the City of Douala from Macrophyte Communities: Case of Kondi and Tongo Bassa”. GSC Biological and Pharmaceutical Sciences 15 (2):015-028. https://doi.org/10.30574/gscbps.2021.15.2.0068.