WASET
    Anika Zafiah M. Rus and  S. Shafizah,  Acoustic Behavior of Polymer Foam Composite of Shorea leprosula after UV-Irradiation Exposure.   journal   = {International Journal of Aerospace and Mechanical Engineering}, [online]. World Academy of Science, Engineering and Technology.
    February 2015, vol. 97(1). 188 - 192
    [viewed 26 April 2024]. Available from: https://publications.waset.org/pdf/10000702.