Pushpakumara, T. . and Sandakelum, W. . (2021) “Heavy Metal Potential of Domestic Biological Wastewater Treatment Plant Sludge: Research Article- DOI: 10.23953/cloud.ijaaeee.503”, International Journal of Advanced Alternative Energy, Environment and Ecology , pp. pp.90–113. Available at: https://cloudjl.com/index.php/AlternativeEnergy/article/view/30 (Accessed: 23 November 2024).