Environmental science /
Sekhar M.
Environmental science / M. Chandra Sekhar and E. Sankara Rao - 1st ed. - Hyderabad : The HI-tech Publishers, 2004. - 169 p. ; ill . : 25 cm.
It includes bibliographical information.
Enviromental science
Pollution
Biodiversity
363.7 / SEK
Environmental science / M. Chandra Sekhar and E. Sankara Rao - 1st ed. - Hyderabad : The HI-tech Publishers, 2004. - 169 p. ; ill . : 25 cm.
It includes bibliographical information.
Enviromental science
Pollution
Biodiversity
363.7 / SEK