Wan Hasrulnizzam Wan Mahmood and  Mohd Nizam Ab Rahman and  Baba Md Deros,  The Relationship between Manufacturing System Performance and Green Practices in Supply Chain Management.   journal   = {International Journal of Industrial and Manufacturing Engineering}, [online]. World Academy of Science, Engineering and Technology.
    November 2011, vol. 59(11). 2521 - 2525
    [viewed 30 January 2020]. Available from: https://publications.waset.org/pdf/9101.