Filiposki, V., and J. Chaloska. “Analysis of Injection Molding Cooling Systems and Its Effects on the Ejection Time of the Part at Thermoplastic Injection Molding”. Advanced Technologies and Materials, vol. 40, no. 1, June 2015, pp. 1-12, https://atm-journal.uns.ac.rs/index.php/atm/article/view/JTP.2015.40.1.1.