“FABRICATION AND TESTING OF FLEXURALPROPERTIESOFGLASSFIBRE EPOXYSKIN PIR 250 RIGID FOAM CORE SANDWICHCOMPOSITE MATERIAL”. 2017. International Journal of Advance Engineering and Research Development (IJAERD) 4 (8): 727-32. https://ijaerd.org/index.php/IJAERD/article/view/3570.