Khan, M. F., R. B. Rashid, M. A. Hossain, and M. A. Rashid. “Computational Study of Solvation Free Energy, Dipole Moment, Polarizability, Hyperpolarizability and Molecular Properties of Betulin, a Constituent of Corypha Taliera (Roxb.)”. Dhaka University Journal of Pharmaceutical Sciences, vol. 16, no. 1, July 2017, pp. 1-9, doi:10.3329/dujps.v16i1.33376.