Choudhary, Ravish, et al. “Scanning Electron Microscopic Study on Freezing Behaviour of Tissue Cells in Dormant Bud of Mulberry (Morus sp.)”. Bangladesh Journal of Botany, vol. 44, no. 3, Oct. 2018, pp. 385-9, doi:10.3329/bjb.v44i3.38544.