Hoque, M. A., A. Nakayama, H. Nur, S. Raya, M. Rahman, and S. K. Uddin. “Synthesis and Characterization of copoly(L-Lactic Acid-Caprolactone) and Its Stereo-Effect With Poly D-Lactic Acid and Biodegradability”. Bangladesh Journal of Scientific and Industrial Research, vol. 47, no. 2, July 2012, pp. 203-10, doi:10.3329/bjsir.v47i2.11453.