000 00430nam a2200157Ia 4500
005 20220826111345.0
008 180710s9999 xx 000 0 und d
041 _aEN
082 _a910.11
_bELA
_223
100 _aElankumaran, C.
245 _aGround water quality patterns of the Jaffna-Valikamam region: a statistical retr
260 _aJaffna
_bDepartment of economics
_c1994
300 _a69 p.
509 _aNS
942 _cS
999 _c65371
_d65371