WASET
    Sie-Tiong Ha and  Teck-Leong Lee and  Yip-Foo Win and  Siew-Ling Lee and  Guan-Yeow Yeap,  Synthesis and Characterization of New Thermotropic Liquid Crystals Derived from 4-Hydroxybenzaldehyde.   journal   = {International Journal of Chemical and Molecular Engineering}, [online]. World Academy of Science, Engineering and Technology.
    September 2011, vol. 57(9). 809 - 813
    [viewed 24 April 2024]. Available from: https://publications.waset.org/pdf/15374.