Al -Darb, A. A. A. A., and H. K. AL-Taiy. “Satisfaction Level of Sheep and Cattle Farmeres towards the Agricultural Extension Service in Holy Karbala Province”. Journal of Kerbala for Agricultural Sciences, vol. 1, no. 2, Sept. 2014, pp. 124-37, doi:10.59658/jkas.v1i2.350.