TY  - BOOK
AU  - 3G E-learning
TI  - Environmental issues : : ecological footprints 
SN  - 9781984622716
U1  - 333.7207 
PY  - 2019///
CY  - New York, NY : 
PB  -  3G E-learning LLC
KW  - Ecological footprint. 
KW  - Sustainable development. 
N1  - Includes bibliographical references and index.; 300-399
ER  -