Yap, S. Y., A. A. Yusrizal, T. K. Abdullah, and S. Ahmad Zubir. “HEAT-INDUCED SHAPE MEMORY POLYURETHANE WITH INCLUSION OF PALM KERNEL OIL”. Malaysian Journal of Microscopy, Vol. 17, no. 2, Dec. 2021, https://malaysianjournalofmicroscopy.org/ojs/index.php/mjm/article/view/550.