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	1.		Discovering: the world of science Obourn Ellsworth S; Heiss Elwood; Montgomery Gaylord C by Obourn Ellsworth S Heiss Elwood Montgomery Gaylord C Material type: Text; Format: print regular print ; Literary form: Not fiction Language: English Publication details: 1963 Availability: Items available for loan: Central Science Library (1)Collection, call number: A K31. Place hold Save to lists Add to cart (remove)
	2.		Modern methods and materials for teaching science by Heiss Elwood D Obourn Ellsworth S Hoffman C Wesley Material type: Text; Format: print Language: English Publication details: New York, USA The Macmillan Company 1940 Availability: Items available for reference: Department of Education Library: Not for loan (1). Save to lists Add to cart (remove)
	3.		Qualifications and teaching loads of mathematics and science teachers in Maryland, New Jersey, and Virginia by Brown Kenneth E Obourn Ellsworth S Material type: Text; Format: print Language: English Publication details: Washington, USA U.S. Government Printing Office 1959 Availability: Items available for loan: Department of Education Library (1)Collection, call number: 510.7, UNI. Place hold Save to lists Add to cart (remove)
	4.		Research in the teaching of science July 1957-July 1959 by Obourn Ellsworth S Blackwood Paul E McKibben Margaret J Material type: Text; Format: print Language: English Publication details: Washington, USA U.S. Government Printing Office 1962 Availability: Items available for reference: Department of Education Library: Not for loan (1)Collection, call number: 507, UNI. Save to lists Add to cart (remove)
	5.		Analysis of research in the teaching of science July 1955-July 1956 U S Department of Health, Education, and Welfare by Obourn Ellsworth S Material type: Text; Format: print Language: English Publication details: Washington, USA U.S. Government Printing Office 1958 Availability: Items available for reference: Department of Education Library: Not for loan (1)Collection, call number: 507, UNI/O. Save to lists Add to cart (remove)
	6.		Analysis of research in the teaching of science july 1956-july 1957 U S Department of Health, Education and Welfare by Obourn Ellsworth S Koelsche Charles L Material type: Text; Format: print Language: English Availability: Items available for reference: Department of Education Library: Not for loan (1)Collection, call number: 507, OBO/O. Save to lists Add to cart (remove)
	7.		Modern science teaching by Heiss Elwood D Obourn Ellsworth S Hoffman Charles W Material type: Text; Format: print Language: English Publication details: New York, USA The Macmillan Company 1950 Availability: Items available for loan: Department of Education Library (1)Collection, call number: 507, HEI. Place hold Save to lists Add to cart (remove)
	8.		Qualifications and teaching loads of mathematics and science teachers in Maryland, New Jersey, and Virginia by Brown Kenneth E Obourn Ellsworth S Material type: Text; Format: print Language: English Publication details: Washington, USA U.S. Government Printing Office 1959 Availability: Items available for loan: Department of Education Library (1)Collection, call number: 510.7, UNI. Place hold Save to lists Add to cart (remove)
	9.		General facilities and equipment: Science and mathematics in public high schools 1958, Part 1 U S Department of Health, Education and Welfare by Obourn Ellsworth S...(et.al) Material type: Text; Format: print Language: English Publication details: Washington, USA U.S. Government Printing Office 1960 Availability: Items available for loan: Department of Education Library (1)Collection, call number: 507, OBO. Place hold Save to lists Add to cart (remove)
	10.		Modern science teaching by Heiss Elwood D Obourn Ellsworth S Hoffman Charles W Material type: Text; Format: print Language: English Publication details: New York, USA The Macmillan Company 1950 Availability: Items available for loan: Department of Education Library (1)Collection, call number: 507, HEI. Place hold Save to lists Add to cart (remove)
	11.		Modern science teaching by Heiss Elwood D Obourn Ellsworth S Hoffman Charles W Material type: Text; Format: print Language: English Publication details: New York, USA The Macmillan Company 1950 Availability: Items available for loan: Department of Education Library (1)Collection, call number: 507, HEI. Place hold Save to lists Add to cart (remove)
	12.		Modern science teaching by Heiss Elwood D Obourn Ellsworth S Hoffman Charles W Material type: Text; Format: print Language: English Publication details: New York, USA The Macmillan Company 1950 Availability: Items available for loan: Department of Education Library (1)Collection, call number: 507, HEI. Place hold Save to lists Add to cart (remove)
	13.		Modern science teaching by Heiss Elwood D Obourn Ellsworth S Hoffman Charles W Material type: Text; Format: print Language: English Publication details: New York, USA The Macmillan Company 1950 Availability: Items available for loan: Department of Education Library (1)Collection, call number: 507, HEI. Place hold Save to lists Add to cart (remove)
	14.		Modern science teaching by Heiss Elwood D Obourn Ellsworth S Hoffman Charles W Material type: Text; Format: print Language: English Publication details: New York, USA The Macmillan Company 1950 Availability: Items available for loan: Department of Education Library (1)Collection, call number: 507, HEI. Place hold Save to lists Add to cart (remove)
	15.		Modern science teaching by Heiss Elwood D Obourn Ellsworth S Hoffman Charles W Material type: Text; Format: print Language: English Publication details: New York, USA The Macmillan Company 1950 Availability: Items available for loan: Department of Education Library (1)Collection, call number: 507, HEI. Place hold Save to lists Add to cart (remove)
	16.		Modern science teaching: A revision of modern methods and materials for teaching science by Heisss Elwood D Obourn Ellsworth S Hoffman Charles W Material type: Text; Format: print Language: English Publication details: New York, USA The Macmillan Company 1950 Availability: Items available for loan: Department of Education Library (1)Collection, call number: 507, HEI. Place hold Save to lists Add to cart (remove)
	17.		Modern science teaching by Heiss Elwood D Obourn Ellsworth S Hoffman Charles W Material type: Text; Format: print Language: English Publication details: New York, USA The Macmillan Company 1950 Availability: Items available for loan: Department of Education Library (1)Collection, call number: 507, HEI. Place hold Save to lists Add to cart (remove)
	18.		Modern science teaching by Heiss Elwood D Obourn Ellsworth S Hoffman Charles W Material type: Text; Format: print Language: English Publication details: New York, USA The Macmillan Company 1950 Availability: Items available for loan: Department of Education Library (1)Collection, call number: 507, HEI. Place hold Save to lists Add to cart (remove)
	19.		Modern science teaching by Heiss Elwood D Obourn Ellsworth S Hoffman Charles W Material type: Text; Format: print Language: English Publication details: New York, USA The Macmillan Company 1950 Availability: Items available for loan: Department of Education Library (1)Collection, call number: 507, HEI. Place hold Save to lists Add to cart (remove)