Salih, Sihama Issa. 2018. “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 (37): 136-48. https://doi.org/10.30723/ijp.v16i37.85.