OKWOR, E.C.; EZE , D.C. Epizootic Newcastle Disease in Local Chickens Reared in South East Savannah Zone of Nigeria. International Journal of Poultry Science, Pakistan, v. 10, n. 3, p. 212–215, 2011. DOI: 10.3923/ijps.2011.212.215. Disponível em: https://ijpsjournal.org/index.php/ijps/article/view/1594. Acesso em: 22 sep. 2025.