Akter, T., A. Nawar, M. N. Alam, and .-. Md Rafiquzzaman. “In Vitro Antioxidant Activity of the Methanolic Extract of Leaves of a Hill Tract Plant Begonia Roxburghii”. Jahangirnagar University Journal of Biological Sciences, vol. 9, no. 1-2, June 2021, pp. 79-89, doi:10.3329/jujbs.v9i1-2.53709.