& Jawair, A.-.A. 2020. A STUDY OF AQUATIC OLIGOCHAETES COMMUNITY IN THE UPPER PART OF AL- ABBASYIA RIVER / MIDDIE OF IRAQ. IRAQI JOURNAL OF AGRICULTURAL SCIENCES. 51, 3 (Jun. 2020), 930–937. DOI:https://doi.org/10.36103/ijas.v51i3.1048.