000 00381nam a2200145 4500
020 _a9788184111231
082 _a333.7
_bPRY/T
100 _aYadav P R
245 _aA textbook of environmental science/
_cby Yadav P R
260 _aNew Delhi:
_bSonali Publications,
_c2022.
650 _aEconomics
650 _aEnvironmental science
650 _aSocial Sciences
942 _cBK
999 _c176739
_d176739