Nugroho, Adi, Antonius Fajar Bisma, and Perwita Kurniawan. “Mechanical Properties and Homogenous Analysis of Semirigid Polyurethane Foam Used in Headliner Roof Top Manufacturing Process”. Jurnal Rekayasa Mesin 20, no. 2 (August 31, 2025): 193–202. Accessed October 10, 2025. https://jurnal.polines.ac.id/index.php/rekayasa/article/view/6575.