WASET
    Yuan-Jye Tseng and  Yi-Shiuan Chen,  A Sustainable Design Model by Integrated Evaluation of Closed-loop Design and Supply Chain Using a Mathematical Model.   journal   = {International Journal of Industrial and Manufacturing Engineering}, [online]. World Academy of Science, Engineering and Technology.
    June 2016, vol. 115(7). 1300 - 1305
    [viewed 25 April 2024]. Available from: https://publications.waset.org/pdf/10005004.