Mohammed DJ, Hadi NJ, Alobad ZK. Investigation of the Epoxy Concentrations Effect on the Mechanical Properties of Polyurethane Foams. IJOIR [Internet]. 2022Oct.20 [cited 2024Dec.22];9(2):50-8. Available from: http://ijoir.gov.iq/ijoir/index.php/jou/article/view/225