TY  - LI
AU  - Rutherford,Jill
AU  - Williams,Gillian
TI  - Environmental systems and societies: course companion 
T2  - Oxford IB Diploma Programme
SN  - 9780198332565
PY  - 2015///
CY  - Oxford
PB  - Oxford University Press
KW  - armarc
KW  - Ciencias mediambientales
ER  -