Hasan, M. A., M. A. Hashem, M. N. Arman, and M. A. Momen. “Batch Electrocoagulation Process for Removal of Chromium from Tannery Wastewater”. Journal of Engineering Science, vol. 12, no. 1, Apr. 2021, pp. 29-34, doi:10.3329/jes.v12i1.53098.