TY  - BOOK
AU  - tripati, dayashankar
AU  - tripati, dayashankar
TI  - paryavaran aur pradushan 
SN  - 81-7769-657-2
U1  - 577 tri 
PY  - 2016///
CY  - varanasi
PB  -  prilgrims book house
KW  - hindi, ecology, paryavaran, pradushan
N2  - Available
ER  -