000 00298nam a22000977a 4500
082 _aGEOPGD418
100 _aKEERTHANA GOPINATH
245 _aGrounwater quality of the deeper aquifer of Chittur block ,Palakkad district,Kerala,India
260 _aTrivandrum
_bUniversity of Kerala
_c2020
942 _cPD
999 _c641850
_d641850