| 1. 
  |  | Title: Essential Readings in Environmental Education by Harold R. Hungerford
 ISBN: 1588740706
 Publisher: Stipes Pub Co
 Pub. Date: 01 July, 2001
 List Price: $39.00
 Amazon.com Price: $39.00
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| 2. 
  |  | Title: Investigating and Evaluating Environmental Issues and Actions: Skill Development Program : Spiral by Harold R. Hungerford, Trudi L. Volk, John M. Ramsey, Ralph A. Litherland, R. Ben Peyton
 ISBN: 1588742814
 Publisher: Stipes Pub Llc
 Pub. Date: 01 June, 2003
 List Price: $13.80
 Amazon.com Price: $13.80
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| 3. 
  |  | Title: Ecology: The Circle of Life, by Harold R., Hungerford
 ISBN: 0516005103
 Publisher: Children's Press
 Pub. Date: January, 1971
 List Price: $7.95
 Amazon.com Price: $7.95
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| 4. 
  |  | Title: Ecology: An Introduction for Non-Science Majors by Harold R. Hungerford
 ISBN: 0875637132
 Publisher: Stipes Pub Llc
 Pub. Date: 01 June, 1997
 List Price: $19.80
 Amazon.com Price: $19.80
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| 5. 
  |  | Title: The General Teaching Model: A Strategy for Improving Instruction at All Levels by Harold Hungerford
 ISBN: 0875639844
 Publisher: Stipes Pub Co
 Pub. Date: 01 April, 2000
 List Price: $2.80
 Amazon.com Price: $2.80
 | 
| 6. 
  |  | Title: Coastal Marine Environmental Issues: An Extended Case Study for the Investigation and Evaluation of Marine Issues of the Gulf Coast and Florida Peninsula by Gerald Culen, Harold Hungerford, Trudi Volk
 ISBN: 1588740250
 Publisher: Stipes Publishing Co.
 Pub. Date: 01 September, 2000
 List Price: $14.80
 Amazon.com Price: $14.80
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| 7. 
  |  | Title: Investigating and Evaluating Environmental Issues and Actions Skill Development Modules by Harold R. Hungerford
 ISBN: 087563320X
 Publisher: Stipes Publishing, LLC
 Pub. Date: 01 June, 1988
 List Price: $8.40
 Amazon.com Price: $8.40
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| 8. 
  |  | Title: Science-Technology-Society: Investigating and Evaluating Sts Issues and Solutions : A Worktext for Sts Education by Harold R. Hungerford, Trudi L. Volk, John M. Ramsey
 ISBN: 0875633579
 Publisher: Stipes Pub Co
 Pub. Date: 01 December, 1990
 List Price: $14.80
 Amazon.com Price: $14.80
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| 9. 
  |  | Title: Science Teaching Methods for the Elementary School: A Worktext by Harold R. Hungerford, Audrey N. Tomera
 ISBN: 0875632602
 Publisher: Stipes Publishing, LLC
 Pub. Date: 01 June, 1985
 List Price: $12.80
 Amazon.com Price: $12.80
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| 10. 
  |  | Title: Coastal Marine Environmental Issues: An Extended Case Study for the Investigation and Evaluation of Marine Issues of the Gulf Coast and Florida Peninsula by Gerald Culen, Harold Hungerford, Trudi Volk
 ISBN: 1588741370
 Publisher: Stipes Pub Co
 Pub. Date: 01 January, 2002
 List Price: $29.80
 Amazon.com Price: $29.80
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