Yanhar, M. R., & Nasution, A. H. (2017). Correlation Between Tensile Test Specimen Surface Fault of Teki Grass (Cyperus Rotundus) Composite with Tensile Strength. International Journal of Sciences: Basic and Applied Research (IJSBAR), 35(2), 186-190. https://www.gssrr.org/JournalOfBasicAndApplied/article/view/7773