Tuyugon, Dennis S.J. (2007) Synthesis and characterization of Chitosan Citrate (CC), 2-Sulfobenzoyl Chitosan (SBC) and 2-Sulfobenzoyl Chitosan Citrate (SBC-CC) for Cu2+ adsorption : equilibrium and kinetic studies. Masters thesis, De La Salle University - Dasmariñas.