Joshi, P. C.
A text book of environmental science / P. C. Joshi and Namita Joshi. - New Delhi : A.P.H., c 2009. - vi, 308 p. ; 22 cm.
Bibliography : p. 307-308.
318 318
Environmental science.
333.7 / J776t
A text book of environmental science / P. C. Joshi and Namita Joshi. - New Delhi : A.P.H., c 2009. - vi, 308 p. ; 22 cm.
Bibliography : p. 307-308.
318 318
Environmental science.
333.7 / J776t