The Analysis Of Micromechanic On Creating Of Gypsum Board Strengthened By Bintaro Fruit Fiber (Cerbera Manghas) With 3d Orientation. (2023). Al-Fiziya: Journal of Materials Science, Geophysics, Instrumentation and Theoretical Physics, 5(2), 147-156. https://doi.org/10.15408/fiziya.v5i2.29783