TY  - BOOK
AU  - Kannappan,Santhakumar
TI  - Environmental studies
SN  - 9788190946704 (pbk)
U1  - 333.707 22
PY  - 2009///
CY  - Vaniyambadi, Tamil Nadu
PB  - Balaji Pub.
KW  - Human ecology
KW  - Study and teaching
KW  - Ecology
N1  - Includes index; As per the UGC module syllabus. Common to all branches
ER  -