Khan, M.F. et al. 2017. 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. 16, 1 (Jul. 2017), 1–9. DOI:https://doi.org/10.3329/dujps.v16i1.33376.