N. C. Shil, M. S. Mahmud, M. M. Amin, and M. A. Hossain, “Comparative Analysis of Haemagglutination Inhibition Antibody Production Against Three Lentogenic Newcastle Disease Virus Vaccines in Broiler Chicks”, Bangla. J. Microbiol., vol. 28, no. 1, pp. 41–43, Sep. 2012.