M. Ali, H., A. Rasool, R. and Y. Moustafa, S. (2025) “Reinforcement Effect of Alumina and Silica on the Mechanical Properties of Mixture Polyesters (Unsaturated Polyester / Polyurethane)”, Rafidain Journal of Science, 29(2), pp. 51–63. doi: 10.33899/rjs.2020.165365.