River pollution in India
Trivedi, R K
River pollution in India - New Delhi: Ashish Publishing House, 1990 - ix, 294p.
81-7024-372-6
Pollution
Water pollution
556.531:543:3(540) / N0
River pollution in India - New Delhi: Ashish Publishing House, 1990 - ix, 294p.
81-7024-372-6
Pollution
Water pollution
556.531:543:3(540) / N0