Helgeson, Stanley L.
VIAF ID: 1297377 ( Personal )
Permalink: http://viaf.org/viaf/1297377
Preferred Forms
- 100 1 _ ‡a Helgeson, Stanley L
- 100 1 0 ‡a Helgeson, Stanley L.
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- 100 1 _ ‡a Helgeson, Stanley L.
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- 100 1 _ ‡a Helgeson, Stanley L.
Works
Title | Sources |
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Lesson plans and tests of knowledge ... 1968. | |
National Association for Research in Science Teaching 47th annual meeting : abstracts of presented papers, Chicago, Illinois, April 15-18, 1974 | |
Promising and exemplary programs and materials in elementary and secondary school-science | |
A review of research related to environmental education | |
Science education : abstracts and index from Research in education, 1966-1972 | |
The Status of pre-college science, mathematics, and social science education, 1955-1975. |