ERIC descriptor usage report.
Contributors: ERIC Information Analysis Center for Science, Mathematics, and Environmental Education.
Edition: 1974 ed.
Publisher: Information Reference Center (ERIC/SMEAC)
Published: 1975
Place of publication: Columbus
Language: eng
Number of pages: 1953
Subjects: Research in education series -- Indexes.; Current index to journals in education -- Indexes.; Subject headings -- Education.