Chafidz, Achmad. “Enhancing Thermal and Mechanical Properties of Polypropylene Using Masterbatches of Nanoclay and Nano-CaCO3: A Review”. Communications in Science and Technology 3, no. 1 (June 14, 2018): pp. 19-26. Accessed March 28, 2024. https://cst.kipmi.or.id/journal/article/view/83.