C.S, Lee, Ooi T.L, Chuah C.H, and Ahmad S. “Effect of Isocyanate Index on Physical Properties of Flexible Polyurethane Foams”. Malaysian Journal of Science 26, no. 2 (August 30, 2007): 91–98. Accessed November 25, 2024. http://jice.um.edu.my/index.php/MJS/article/view/8069.