Rojas, A.F., Aranzazu, L.M., Gaviria, G.H. and Carrero, J.I. 2014. Thermal degradation of polymethyl methacrylate in multiple extrusions. Ingeniería y Competitividad. 16, 2 (Dec. 2014), 131–142. DOI:https://doi.org/10.25100/iyc.v16i2.3689.