000 00364nam a2200157Ia 4500
005 20241121001321.0
008 241119s9999||||xx |||||||||||||| ||und||
041 _aENG
082 _a574.505
_bSEN
100 _aSengar, RS
245 0 _aEnvironment Science
260 _aNew DElhi
_bCBS Pub.
_c2017
546 _aENGLISH
700 _a Amit kumar,
942 _cBK
999 _c63768
_d63768