Alazzawi, R. I., and E. J. Khammas. “EFFICACY OF OREGANO OIL, CITRUS OIL AND DIGESTAROM® P.E.P. ON NEWCASTLE DISEASE INFECTION IN BROILERS”. IRAQI JOURNAL OF AGRICULTURAL SCIENCES 53, no. 3 (June 29, 2022): 598–603. Accessed November 22, 2024. https://jcoagri.uobaghdad.edu.iq/index.php/intro/article/view/1569.