M. Khan, B. Chowdhury, M. Bhuiya, and M. Rahim, “Variation of Aflatoxin Level in Different Poultry Feeds Used in Different Poultry Farms of Bangladesh Round the Year”, Int. J. Poult. Sci., vol. 4, no. 6, pp. 382–387, May 2005, doi: 10.3923/ijps.2005.382.387.