T. H. Moussa and B. S. R. Zangana, “ROLE OF ADDING POWDERED SUMAC FRUIT, RED PEPPER, AND THEIR MIXTURE ON ORODUCTIVE PERFORMANCE OF BROILER CHICKENS”, Iraqi J. Agric. Sci., vol. 57, no. 4, pp. 1114–1123, Apr. 2026, doi: 10.36103/tzdez586.