Sara Sherzad Ali, Hikmat Mustafa Masyab and Ayad H.Hasan 2023. Bacterial Population of Alfalfa (Medicago sativa L.) Plant Nodules in Koya city: no subtitle. Zanco Journal of Pure and Applied Sciences. 35, 4 (Aug. 2023), 238–246. DOI:https://doi.org/10.21271/ZJPAS.35.4.23.