TY  - BOOK
AU  - Kumar, A.
TI  - A textbook of environmental science : As per UGC  syllabus
SN  - 9788176485890
AV  - GE70.K8 2009 
PY  - 2009///
CY  - New York 
PB  - APH Publishin Corporation
KW  - Environmental  Sciences
ER  -