TY  - BOOK
AU  - Bhatt, S. N.
TI  - Ecological economics and sustainable development : : tools for expert ecological systems 
SN  - 9788184201
U1  - 333.7 
PY  - 2009///
CY  - New Delhi
PB  - Sumit
KW  - Sustainable development
N1  - Includes bibliographical references and index
ER  -