Khan, A. H., P. Bala, A. M. Rahman, and M. Nurnabi. “Investigations on Microstructural and Layer Disorder Parameters of Na-Montmorillonite-Glycine Intercalation Compounds”. Dhaka University Journal of Science, vol. 60, no. 1, Apr. 2012, pp. 25-29, doi:10.3329/dujs.v60i1.10331.