Srivastava, Yogendra N.
Environmental pollution / Yogendra N. Srivastava. - New Delhi : Ashish Publishing House, 1997. - x, 84 p. ; 22 cm.
Includes index.
323 323
81-7024-210-X
Pollution.
363.73 / S38e
Environmental pollution / Yogendra N. Srivastava. - New Delhi : Ashish Publishing House, 1997. - x, 84 p. ; 22 cm.
Includes index.
323 323
81-7024-210-X
Pollution.
363.73 / S38e