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پدیدآورنده : sponsored by the AAAS commission on science Education and the National Association of State Directors of Teacher Education and Certification and supported by the National Science Foundation
کتابخانه: Central Library and Information Center of Ferdowsi University of Mashhad (Khorasan Razavi)
موضوع : Study and teaching )Secongary( ، Science,Study and teaching )Secondary( ، Mathematics
رده :
Q
181
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G85
