M. M. Ismail, S. D. Salman, and S. K. Muallah, “Experimental and Numerical Investigation for Simulation of Thermophysical Properties for Polypropylene 575 Polymer Melts in Single Screw Extruder”, alkej, vol. 14, no. 4, pp. 72–82, Dec. 2018, doi: 10.22153/kej.2018.04.003.