Prevalence of poultry diseases in winter season in Chittagong and efficacy of challenge vaccine against Newcastle disease. Research in Agriculture Livestock and Fisheries, [S. l.], v. 5, n. 2, p. 201–208, 2018. DOI: 10.3329/ralf.v5i2.38109. Disponível em: https://banglajol.info/index.php/RALF/article/view/38109. Acesso em: 5 jul. 2026.