Umam, Khotibul Umam, et al. “THE EFFECT OF PETUNG BAMBOO FIBER LENGTH ON MECHANICAL STRENGTH AND PHYSICAL PROPERTIES OF RANDOMLY ARRANGEMENTED COMPOSITES”. ELEMEN : JURNAL TEKNIK MESIN, vol. 11, no. 2, Dec. 2024, pp. 98-104, doi:10.34128/je.v11i2.288.