Preparation and Study Hardness and Thermal Conductivity (Tc) to Polyester Resin Composite with (Titanium Dioxide, Zinc Oxide, Acrylonitril, Wood Flour Coconut. Baghdad Sci.J [Internet]. 2025 Feb. 24 [cited 2025 Jun. 18];7(4):1400-9. Available from: https://bsj-ojs.uobaghdad.edu.iq/index.php/BSJ/article/view/1118