Younis et al., 1981. Iraqi J. Agric. Sci., ? Document reference Younis, R. A. ; Al-Wash, A. H., 1981. The effect of different levels of urea and date stones in the ration on its digestion and performance of Awassi lambs. Iraqi J. Agric. Sci., ?Citation key Younis et al., 1981Datasheets Date palm seeds
