Taha, Ahmed T., et al. “EFFECT OF OREGANO (Oregano Vulgaris) SUPPLEMENTATION ON THE PERFORMANCE AND BLOOD PARAMETERS OF ROSS BROILER CHICKENS REARED UNDER HEAT STRESS CONDITIONS ”. Diyala Agricultural Sciences Journal , vol. 3, no. 2, Dec. 2011, pp. 49-59, https://journal.djas.uodiyala.edu.iq/index.php/dasj/article/view/3004.