TY  - BOOK
AU  - Webster,Ken
TI  - Circular economy: a wealth of flows 
SN  - 9780992778460
PY  - 2017///]
CY  - Cowes,United Kingdom
PB  -  Ellen MacArthur Foundation
KW  - Sustainable development
KW  - Environmental economics.
N1  - References : page 196-199
ER  -