“Characterization of Thermo-Physical and Hardness Properties of Unsaturated Polyester Resin Hybrid Nano Composites Sihama Issa Salih1, Waleed Bdaiwi Salih2, Husam Sakin Hamad2”. Iraqi Journal of Physics 16, no. 37 (September 11, 2018): 136–148. Accessed April 27, 2024. https://ijp.uobaghdad.edu.iq/index.php/physics/article/view/85.