“Thermal Shock Resistance of Epoxy Reinforced Fiber Betel Nut Against the Strength of Bending and Impact Energy”. Jurnal Teknik Mesin 8, no. 1 (April 30, 2018): 45–50. Diakses Agustus 21, 2025. https://jtm.itp.ac.id/index.php/jtm/article/view/526.