Gugun Gundara, Agung Setia Nurzein, Acep Wagiman and Asep Romi Ramadhan 2023. Effect of Alkalized Pineapple Leaf Fiber Direction Variations on Tensile Strength and Bending of Polyester Matrix Composites. Formosa Journal of Sustainable Research. 2, 1 (Jan. 2023), 87–96. DOI:https://doi.org/10.55927/fjsr.v2i1.2703.