S. M. Anisuzzaman and  Sariah Abang and  Awang Bono and  D. Krishnaiah and  N. M. Ismail and  G. B. Sandrison,  An Evaluation of Solubility of Wax and Asphaltene in Crude Oil for Improved Flow Properties Using a Copolymer Solubilized in Organic Solvent with an Aromatic Hydrocarbon.   journal   = {International Journal of Chemical and Molecular Engineering}, [online]. World Academy of Science, Engineering and Technology.
    August 2017, vol. 130(10). 688 - 695
    [viewed 14 October 2019]. Available from: https://publications.waset.org/pdf/10008007.