Pundir, A., P. S. . Gopala Krishnan, and S. K. Nayak. “Effect of Nanocalcium Carbonate Content on the Properties of PLA Nanocomposites”. Journal of Composites and Biodegradable Polymers, vol. 5, no. 1, Feb. 2017, pp. 26-33, doi:10.12974/2311-8717.2017.05.01.4.