Mohan,, I.
Environmental pollution and management / - 1st ed. - New Delhi: Ashish Publishing House, 1989. - xvi, 387p.. - 1989.
81-7024-242-8
Environment
Pollution
363.73 / MOH/E
Environmental pollution and management / - 1st ed. - New Delhi: Ashish Publishing House, 1989. - xvi, 387p.. - 1989.
81-7024-242-8
Environment
Pollution
363.73 / MOH/E