Nassar, Adnan K., et al. “EFFECT OF USING RATIONS DIFFERENT IN NITROGEN SOURCES ON GROWTH AND BLOOD PARAMETERS FOR GROWING LOCAL SHARABI CALF UNDER ENVIRONMENTCONDITION OF NINEVEH PROVINCE”. Diyala Agricultural Sciences Journal , vol. 6, no. 2, Dec. 2014, pp. 18-26, https://journal.djas.uodiyala.edu.iq/index.php/dasj/article/view/2711.