Noor, N., K. Mahmud, M. T. A. Chowdhury, and S. I. Huq. “The Use of Biochar As Ameliorator for Soil Arsenic”. Dhaka University Journal of Biological Sciences, vol. 24, no. 2, June 2015, pp. 111-9, doi:10.3329/dujbs.v24i2.46318.