laleh F, Marzroud AP, Choupani NA. Experimental and numerical investigation of the effect of adding silica nanoparticles on the behavior of composite polyester resin. IJET [Internet]. 2018 Apr. 15 [cited 2024 May 5];7(2.13):275-6. Available from: https://www.sciencepubco.com/index.php/ijet/article/view/12678