The Competition between of invasive Hydrilla verticillata L.f. and native Ceratophyllum demersum L. in monocultures and mixed cultures experimental. Iraqi Journal of Science [Internet]. 2019 Sep. 29 [cited 2024 May 3];60(9):1933-47. Available from: https://ijs.uobaghdad.edu.iq/index.php/eijs/article/view/1142