Inaya, M.S., Fatmawati, M.E. , Febianto, M.A. , Apriliani, R.D. and Radianto, D.O. 2023. The Utilization of Rice Sack Waste as a Substitute Material for Fiber in Fiber Tensile Strength. Formosa Journal of Science and Technology . 2, 6 (Jun. 2023), 1557–1566. DOI:https://doi.org/10.55927/fjst.v2i6.4451.