1. Communications in Computer and Information Science;M Heck,2010
2. Wagner, H., Whitin, T.: Dynamic version of the economic lot size model. Manag. Sci. 5(1), 89–96 (1958)
3. Green Peace Organization, https://www.greenpeace.org/, Accessed 24 June 2019
4. Ellen Macarthur Foundation, What is a circular economy?, https://www.ellenmacarthurfoundation.org, Accessed 21 Aug 2019
5. The European Remanufacturing Network, What is remanufacturing?, https://www.remanufacturing.eu, Accessed 21 May 2020