Islam, M.A., M.A. Samad, M.B. Rahman, M.T. Hossain, and S. Akter. 2004. “Assessment of Immunologic Responses in Khaki Cambell Ducks Vaccinated Against Duck Plague”. International Journal of Poultry Science 4 (1): 36–38. https://doi.org/10.3923/ijps.2005.36.38.