M. Q. TRAN, B. D. TRAN, V. B. NGUYEN, P. T. HOANG, Q. H. PHAM, and Q. L. LE, “RADIATION-INDUCED CROSSLINKING AND PLASTICIZATION EFFECTS ON BIODEGRADATION OF POLY (L-LACTIC ACID)”, Nucl. Sci. and Tech., vol. 3, no. 1, pp. 45-53, Mar. 2013.