Sushovan Sarkar and  Debabrata Mazumder,  Solid Waste Management in Steel Industry - Challenges and Opportunities.   journal   = {International Journal of Economics and Management Engineering}, [online]. World Academy of Science, Engineering and Technology.
    March 2015, vol. 99(3). 978 - 981
    [viewed 01 April 2020]. Available from: https://publications.waset.org/pdf/10001005.