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Electronic Library. www.encyclopedia.com/. Last visited: July, 2001.
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The Britannica Paperback Encyclopedia. www.britannica.com/. Last visited: August, 2001.
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Music from DIBIGC20. Midisoft Corporation.
Copyright 1993 Last visited: August, 2001.
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Printed Materials
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NCERT. "Natural Biology" Science Course Book. Reprint 2000
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Electronic Sources
Text or Multimedia from Web Pages, FTP sites, Telnet
Periodicals
Part of a book
2. Acid Rain
Bloom, Paul R. Environmental Encyclopedia. Acid Rain. Detroit: Gale Research International Limited, 1994.
Miller, G. Tyler Jr. Living in the Environment . Belmont: Wadsworth Publishing Company, 1987.
Steger, Will and Bowermaster, Jon. Saving the Earth. New York: Bryon Preiss, 1990.
3. Acid Rain – Causes
Bloom, Paul R. Environmental Encyclopedia. Acid Rain. Detroit: Gale Research International Limited, 1994.
Miller, G. Tyler Jr. Living in the Environment. Belmont: Wadsworth Publishing Company, 1987.
Steger, Will and Bowermaster, Jon. Saving the Earth. New York: Bryon Preiss, 1990.
4. Acid Rain – Effects
Bloom, Paul R. Environmental Encyclopedia. Acid Rain. Detroit: Gale Research International Limited, 1994.
Miller, G. Tyler Jr. Living in the Environment. Belmont: Wadsworth Publishing Company, 1987.
Steger, Will and Bowermaster, Jon. Saving the Earth . New York: Bryon Preiss, 1990.
5. Acid Rain – Solutions
Bloom, Paul R. Environmental Encyclopedia. Acid Rain. Detroit: Gale Research International Limited, 1994.
Miller, G. Tyler Jr. Living in the Environment. Belmont: Wadsworth Publishing Company, 1987.
Steger, Will and Bowermaster, Jon. Saving the Earth. New York: Bryon Preiss, 1990.
6. Air Pollution
Brimblecombe, Peter. Environmental Encyclopedia. Air Pollution. Detroit: Gale Research International Limited, 1994.
Miller, G. Tyler Jr. Living in the Environment. Belmont: Wadsworth Publishing Company, 1987.
Steger, Will and Bowermaster, Jon. Saving the Earth. New York: Bryon Preiss, 1990.
7. Air Pollution – Causes
Brimblecombe, Peter. Environmental Encyclopedia. Air Pollution. Detroit: Gale Research International Limited, 1994.
Miller, G. Tyler Jr. Living in the Environment. Belmont: Wadsworth Publishing Company, 1987.
Steger, Will and Bowermaster, Jon. Saving the Earth. New York: Bryon Preiss, 1990.
8. Air Pollution – Effects
Brimblecombe, Peter. Environmental Encyclopedia. Air Pollution. Detroit: Gale Research International Limited, 1994.
Miller, G. Tyler Jr. Living in the Environment. Belmont: Wadsworth Publishing Company, 1987.
Steger, Will and Bowermaster, Jon. Saving the Earth. New York: Bryon Preiss, 1990.
9.
Air Pollution – Solutions
Brimblecombe, Peter. Environmental Encyclopedia. Air Pollution. Detroit: Gale Research International Limited, 1994.
Miller, G. Tyler Jr. Living in the Environment. Belmont: Wadsworth Publishing Company, 1987.
Steger, Will and Bowermaster, Jon. Saving the Earth. New York: Bryon Preiss, 1990.
10.
Global Warming
Miller, G. Tyler Jr. Living in the Environment. Belmont: Wadsworth Publishing Company, 1987.
Steger, Will and Bowermaster, Jon. Saving the Earth. New York: Bryon Preiss, 1990.
11.
Global Warming – Causes
Miller, G. Tyler Jr. Living in the Environment. Belmont: Wadsworth Publishing Company, 1987.
Steger, Will and Bowermaster, Jon. Saving the Earth. New York: Bryon Preiss, 1990.
12.
Global Warming – Effects
Miller, G. Tyler Jr. Living in the Environment. Belmont: Wadsworth Publishing Company, 1987.
Steger, Will and Bowermaster, Jon. Saving the Earth. New York: Bryon Preiss, 1990.
13.
Global Warming – Solutions
Miller, G. Tyler Jr. Living in the Environment. Belmont: Wadsworth Publishing Company, 1987.
Steger, Will and Bowermaster, Jon. Saving the Earth. New York: Bryon Preiss, 1990.
14.
Hazardous Waste
Miller, G. Tyler Jr. Living in the Environment. Belmont: Wadsworth Publishing Company, 1987.
Steger, Will and Bowermaster, Jon. Saving the Earth. New York: Bryon Preiss, 1990.
15.
Hazardous Waste – Causes
Miller, G. Tyler Jr. Living in the Environment. Belmont: Wadsworth Publishing Company, 1987.
Steger, Will and Bowermaster, Jon. Saving the Earth. New York: Bryon Preiss, 1990.
16.
Hazardous Waste – Effects
Miller, G. Tyler Jr. Living in the Environment. Belmont: Wadsworth Publishing Company, 1987.
Steger, Will and Bowermaster, Jon. Saving the Earth. New York: Bryon Preiss, 1990.
17.
Hazardous Waste – Solutions
Miller, G. Tyler Jr. Living in the Environment. Belmont: Wadsworth Publishing Company, 1987.
Steger, Will and Bowermaster, Jon. Saving the Earth. New York: Bryon Preiss, 1990.
18.
Ozone Depletion
Miller, G. Tyler Jr. Living in the Environment . Belmont: Wadsworth Publishing Company, 1987.
Steger, Will and Bowermaster, Jon. Saving the Earth. New York: Bryon Preiss, 1990.
19.
Ozone Depletion – Causes
Miller, G. Tyler Jr. Living in the Environment. Belmont: Wadsworth Publishing Company, 1987.
Steger, Will and Bowermaster, Jon. Saving the Earth. New York: Bryon Preiss, 1990.
20.
Ozone Depletion – Effects
Miller, G. Tyler Jr. Living in the Environment. Belmont: Wadsworth Publishing Company, 1987.
Steger, Will and Bowermaster, Jon. Saving the Earth. New York: Bryon Preiss, 1990.
21.
Ozone Depletion – Solutions
Miller, G. Tyler Jr. Living in the Environment. Belmont: Wadsworth Publishing Company, 1987.
Steger, Will and Bowermaster, Jon. Saving the Earth. New York: Bryon Preiss, 1990.
22.
Water Pollution
Miller, G. Tyler Jr. Living in the Environment. Belmont: Wadsworth Publishing Company, 1987.
Steger, Will and Bowermaster, Jon. Saving the Earth. New York: Bryon Preiss, 1990.
23.
Water Pollution – Causes
Miller, G. Tyler Jr. Living in the Environment . Belmont: Wadsworth Publishing Company, 1987.
Steger, Will and Bowermaster, Jon. Saving the Earth. New York: Bryon Preiss, 1990.
24.
Water Pollution – Effects
Miller, G. Tyler Jr. Living in the Environment. Belmont: Wadsworth Publishing Company, 1987.
Steger, Will and Bowermaster, Jon. Saving the Earth. New York: Bryon Preiss, 1990.
25.
Water Pollution – Solutions
Miller, G. Tyler Jr. Living in the Environment. Belmont: Wadsworth Publishing Company, 1987.
Steger, Will and Bowermaster, Jon. Saving the Earth. New York: Bryon Preiss, 1990.
26.
Rain Forest Destruction
Miller, G. Tyler Jr. Living in the Environment. Belmont: Wadsworth Publishing Company, 1987.
Steger, Will and Bowermaster, Jon. Saving the Earth. New York: Bryon Preiss, 1990