“Mechanical Pretreatment of Polymer Melts: Critical Aspects and New Rheological Investigations on a Linear and a Long-Chain Branched Polypropylene”. Global Journal of Science Frontier Research, vol. 22, no. A5, Sept. 2022, pp. 21-32, https://testing.journalofscience.org/index.php/GJSFR/article/view/102518.