Ahmed , S.A. 2022. Determining the optimum conditions for bioemulsifier produced by Rhizobium leguminosarum biovar viciae isolated from Vicia faba root nodules. Iraqi Journal of Science. 57, 3C (Feb. 2022), 2188–2196. DOI:https://doi.org/10.24996/ijs.2016.57.3C.%g.