304.28 MAN LCLIB B2635
Manivasakam, N. Environmental pollution / by N.Manivasakam. - - New Delhi : National Book Trust, 1984(1994 printing) 146 p. : plates, fig. Includes bibliographical referencces and index 812371034 8 : Rs. 30 * Environmental problems Pollution * * Social Science * Social problems and services
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