Baheramsyah, A., Wardhana, . E. M., & Pradani, N. D. F. (2025). Flashpoint and Flame Spread Analysis of Material Coconut Fiber (Cocus Nucifera) Using Chemical Treatment of Alkali NaOH as a Sound Absorber Material in Ship. nternational ournal of arine ngineering nnovation and esearch, 6(1), 36–44. https://doi.org/10.12962/j25481479.v6i1.5855