Methods in environmental analysis :
Gupta, P.K.
Methods in environmental analysis : water soil and air / P.K. Gupta. - [S.l.] : Agrobios, 2011. - 1 v. (unpaged) ; 23 cm. - 2nd edition. . - 2nd edition. .
8177543083 (hardcover) 9788177543087 (hardcover)
Methods in environmental analysis : water soil and air / P.K. Gupta. - [S.l.] : Agrobios, 2011. - 1 v. (unpaged) ; 23 cm. - 2nd edition. . - 2nd edition. .
8177543083 (hardcover) 9788177543087 (hardcover)