TY  - BOOK
AU  - Khosla, Reeta
AU  - Siddiqui, Zahid H.
TI  - Basics of environmental science
SN  - 9788184874013
U1  - 363.7 DDC23
PY  - 2017///
CY  - New Delhi
PB  - Narosa Publishing House
KW  - Civil Engineering
ER  -