Kamrunnahar, S., Alim, M., Taslima, A., Islam, M., & Paul, N. (2011). Comparative Study on Production of Antibody in Broilers Vaccinated with Four Lyophilized Newcastle Disease Vaccine. Bangladesh Journal of Microbiology, 27(1), 1–5. https://doi.org/10.3329/bjm.v27i1.9159