Sa’idu L, Abdu PA, Tekdek LB, Umoh JU. Retrospective Study Of Newcastle Disease Cases In Zaria, Nigeria. Nig. Vet. J. [Internet]. 2008 May 9 [cited 2026 Oct. 11];27(3):53-62. Available from: https://www.ajol.info/index.php/nvj/article/view/3527