D. X. Du, V. Q. Mai, N. N. Duy, D. V. Phu, and N. Q. Hien, “DEGRADATION OF CHITOSAN BY γ-IRRADIATION OF CHITOSAN SWOLLEN IN HYDROGEN PEROXIDE SOLUTION”, Vietnam J. Sci. Technol., vol. 52, no. 4, pp. 441–450, Aug. 2014.