هيفا س. . . ., أسعد ع., & فارس ر. . . (2022). Temporal and spatial changes of some nitrogen pollutants in the lower section of the Alkabeer Alshamali River. Tishreen University Journal -Biological Sciences Series, 44(2), 213–225. Retrieved from https://journal.tishreen.edu.sy/index.php/bioscnc/article/view/12429