Sarumpaet, J., M. Mahyunis, and Z. Zakwan. “KARAKTERISTIK UJI IMPAK (IMPACT TEST) CHARPY PAPAN KOMPOSIT BERBAHAN SERAT TANDAN KOSONG KELAPA SAWIT DIPERKUAT SERAT KACA”. Jurnal Agro Fabrica, vol. 3, no. 1, June 2021, pp. 9-15, https://ejurnal.itsi.ac.id/index.php/JAF/article/view/172.