Abtisam Jasim Abbas 2022. Environmental and diagnostic study of some parasites in Barbus Xanthopterus fish of Al-Diwaniyah River. Al-Qadisiyah Journal of Pure Science. 27, 1 (Jun. 2022), Env 13-19. DOI:https://doi.org/10.29350/qjps.2022.27.1.1533.