Textbook of environmental studies
Asthana, D. K.
Textbook of environmental studies - 2nd ed. - New Delhi: S. Chand, 2012 - xvi, 397p.
reprint 2016
9788121927642
Environmental Engineering
628 / AST
Textbook of environmental studies - 2nd ed. - New Delhi: S. Chand, 2012 - xvi, 397p.
reprint 2016
9788121927642
Environmental Engineering
628 / AST