Virtual International Authority File


Helgeson, Stanley L. Library of Congress/NACO ISNI Sudoc [ABES], France National Library of the Netherlands

VIAF ID: 1297377 (Personal)


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Title Sources
Lesson plans and tests of knowledge, comprehension, and application for instruction in concepts of force, grades 2-6 Library of Congress/NACO
National Association for Research in Science Teaching 47th annual meeting : abstracts of presented papers, Chicago, Illinois, April 15-18, 1974 Library of Congress/NACO National Library of the Netherlands
A review of research related to environmental education Library of Congress/NACO
Science education : abstracts and index from Research in education, 1966-1972 Library of Congress/NACO Sudoc [ABES], France
The Status of pre-college science, mathematics, and social science education, 1955-1975. Library of Congress/NACO

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