Muslim, T., Alam, M. T., Begum, H. A. and Alam, S. S. (2015) “Synthesis of Some Chitosan Derivatives and Their Iron (II) Adsorption Behavior- a Class of Pharmaceutically Important Biosorbents”, Bangladesh Pharmaceutical Journal, 17(2), pp. 193–201. doi: 10.3329/bpj.v17i2.22340.