Rauf, M.; Parkplan, P.; Miah, M. Effect of Industrial Sludge on Concentration and Distribution Pattern of Lead, Cadmium and Nickel in Root, Stem and Leaf of Red Amaranth (Amaranthus Gangeticus L.) in Silty Clay Loam Soil. J. Asiat. Soc. Bangladesh, Sci. 2013, 38, 67-74.