Comprehensive environmental studies /
Sharma, J. P.
Comprehensive environmental studies / by J.P. Sharma - 2nd ed. - Bangalore : Laxmi Publ., [2005] - 196 p. : ill. ; 24 cm
8170088550
Environmental sciences
Comprehensive environmental studies / by J.P. Sharma - 2nd ed. - Bangalore : Laxmi Publ., [2005] - 196 p. : ill. ; 24 cm
8170088550
Environmental sciences