000 00438nam a2200157Ia 4500
008 190329s9999||||xx |||||||||||||| ||und||
020 _a9788190694483
040 _aNITIL
_cNITIL
082 _221st
_a333.911
_bB575J
100 _aBhatia, Sudarshan
245 0 _aJal sankat tatha samadhan
_cSudarshan Bhatia
260 _aDelhi
_bJanvani Prakashan
_c2009
300 _a160p.
650 _aECONOMIC DEVELOPMENT-ENVIRONMENTAL
942 _cBKS
999 _c80120
_d80120