Syuichi Kubota and  Kayoko Yamamoto,  Study on Environmental Statement for Home Appliances at Online Stores in Japan.   journal   = {International Journal of Economics and Management Engineering}, [online]. World Academy of Science, Engineering and Technology.
    February 2010, vol. 38(2). 111 - 120
    [viewed 20 April 2021]. Available from: https://publications.waset.org/pdf/5651.