TY  - BOOK
AU  - 3G E-learning
TI  - 3GE collection on environmental science: 3G E-learning
SN  - 9781680959680
U1  - 333.75  
PY  - 2018///
CY  - New York : 
PB  - 3G E-learning LLC
KW  - Ecosystem management.
KW  - Environmental management.
KW  - Environmental sciences.
N1  - Includes bibliographical references and index.; 300-399
ER  -