KRISTIAWAN, Ruben Bayu; PRAMUDI, Ganjar; RONI, Komar. Thermal and Flame Retardant Performance of Glass Fiber-Reinforced UPR Composites Modified with Boric Acid and Sodium Silicate. Jurnal Teknik Mesin (Journal Of Mechanical Engineering), Jakarta, Indonesia, v. 14, n. 2, p. 150–156, 2025. DOI: 10.22441/jtm.v14i2.33580. Disponível em: https://publikasi.mercubuana.ac.id/index.php/jtm/article/view/33580. Acesso em: 2 jun. 2026.