Irsyad Usman, I. (2025) “Tensile Test Analysis with Directional Variation of Composite Fibers Combining Sisal Fiber and Polyester Matrix Coconut Fiber as Materials on Aircraft”, Airman: Jurnal Teknik dan Keselamatan Transportasi, 8(1). doi: 10.46509/ajtk.v8i1.735.