Ahmadzai, A. Z., and A. H. B. Vesh. “An Experimental Investigation on Water Penetration in the Process of Water Assisted Injection Molding of Polypropylene”. Polimery, vol. 54, no. 7-8, Aug. 2022, pp. 564-72, https://ichp.vot.pl/index.php/p/article/view/1234.