Sultana, M. , Das, S. , Shahriar, M. , Akhter, R. , Mohamed, I.N. and Bhuiyan, M.A. 2022. In vitro Comparative Studies of the Leaf Extracts of Four Different Types of Calamus Species. Dhaka University Journal of Pharmaceutical Sciences. 21, 2 (Dec. 2022), 173–181. DOI:https://doi.org/10.3329/dujps.v21i2.63118.