Salih, Sihama I., Jawad K. Oleiwi, and Hwazen S. Fadhil. 2017. “Preparation and Investigation of Some Properties of Acrylic Resin Reinforced With Siwak Fiber Used for Denture Base Applications: Acrylic Resin, Natural Fibers, Siwak, Denture”. Kurdistan Journal of Applied Research 2 (3): 309-14. https://doi.org/10.24017/science.2017.3.53.