Nouri, Ayoub, Hammada Soumaya, Chillasse Lahcen, and Haddioui Abdelmajid. 2021. “Macrophytes As a Tool for Assessing the Trophic Status of a River: A Case Study of the Upper Oum Er Rbia Basin (Morocco)”. Oceanological and Hydrobiological Studies 50 (1):77-86. https://czasopisma.bg.ug.edu.pl/index.php/oandhs/article/view/6009.