Sari, N.H. et al. 2027. Mechanical and FTIR Characterization of Hybrid Composites Reinforced with Coconut Coir Fiber and Pine Fruit Peel Powder. Scientific Experiences in Mechanical Engineering. 1, 1 (Jan. 2027), e3.1–9. DOI:https://doi.org/10.68252/seme.3.