Akand, M.S.I., K.A. Choudhury, S.M.L. Kabir, S.K. Sarkar, and K.M.R. Amin. 2004. “Development of Washed Cell Fowl Cholera Vaccine in Bangladesh”. International Journal of Poultry Science 3 (8): 534–537. https://doi.org/10.3923/ijps.2004.534.537.