WASET
    H. A. Bekhet and  T. Yasmin,  Disclosing the Relationship among CO2 Emissions, Energy Consumption, Economic Growth and Bilateral Trade between Singapore and Malaysia: An Econometric Analysis.   journal   = {International Journal of Energy and Environmental Engineering}, [online]. World Academy of Science, Engineering and Technology.
    September 2013, vol. 81(9). 2529 - 2534
    [viewed 26 April 2024]. Available from: https://publications.waset.org/pdf/16636.