Alberton, Josué, Silvia Maria Martelli, and Valdir Soldi. 2012. “Obtention and Characterization of Polypropylene, Calcium Carbonate and Poly(ethylene-Co-Vinyl Acetate) Composites”. Journal of Research Updates in Polymer Science 1 (1):5-13. https://doi.org/10.6000/1929-5995.2012.01.01.2.