PALRAJ RANGANATHAN, V. KASIVISWANATHAN, and R. SAYEE KANNAN, “PROFICIENT DECOLORIZATION OF METHYLENE BLUE BY RETURNABLE BACILLUS COAGULANS IMMOBILIZED BEADS: KINETICS, ISOTHERMS AND THERMODYNAMIC STUDIES”, ijpbs, vol. 7, no. 3, pp. 1121–1134, Sep. 2016.