TY  - BOOK
AU  - Ignacimuthu,S.
TI  - Environmental studies
SN  - 9788180941054 (pbk.)
U1  - 333.707 22
PY  - 2012///
CY  - Chennai
PB  - MJP Pubs.
KW  - Environmental studies
N1  - Includes bibliographical references and index
ER  -