Jothi, J., N. Yeasmin, I. Anka, and S. Hashem. “Chromium and Lead Contamination in Commercial Poultry Feeds of Bangladesh”. International Journal of Agricultural Research, Innovation and Technology, vol. 6, no. 2, Feb. 2017, pp. 57-60, doi:10.3329/ijarit.v6i2.31705.