Simangunsong, Helfran, Tino Hermanto, and Tiochanra Purba. “Hot Press Machine Design For Processing Plastic Waste Into Plastic Sheet Products”. IRA Jurnal Teknik Mesin dan Aplikasinya (IRAJTMA) 3, no. 3 (December 30, 2024): 58–64. Accessed July 1, 2025. https://e-journals.irapublishing.com/index.php/IRAJTMA/article/view/169.