TY  - BOOK
AU  - Sloman,John
AU  - Wride,Alison
AU  - Garratt,Dean
TI  - Economics 
SN  - 9780273763123
U1  - 330 
PY  - 2012///
UR  - https://ebookcentral.proquest.com/lib/sust/detail.action?docID=5137023&query=economics
ER  -