PRADYUMNA KUMAR SWAIN, MIRA DASH, and P.L. NAYAK, “BIOCOMATIBLE COPOLYMER FROM CHITOSAN-SUBSTITUTED POLYANILINE: GRAFT COPOLYMERIZATION OF POLY (ORTHOPHENYLE DIAMINE) ONTO CHITOSAN”, ijpbs, vol. 6, no. 4, pp. 476–481, Dec. 2015.