SARAGIH, K. P.; TARIGAN, R. K. .; PUTRI, J. S. . Heat Calculation for PET Preform Heating in the Blow molding Heater Unit of PT. Sinar Sosro. IRA Jurnal Teknik Mesin dan Aplikasinya (IRAJTMA), [S. l.], v. 3, n. 3, p. 79–86, 2024. DOI: 10.56862/irajtma.v3i3.154. Disponível em: http://e-journals.irapublishing.com/index.php/IRAJTMA/article/view/154. Acesso em: 30 aug. 2025.