National Association of State Directors of Teacher Education and Certification. (1963). Guidelines for science and mathematics in the preparation program of elementary school teachers. AAAS.
Chicago Style aipamenaNational Association of State Directors of Teacher Education and Certification. Guidelines for Science and Mathematics in the Preparation Program of Elementary School Teachers. Washington, DC: AAAS, 1963.
MLA aipamenaNational Association of State Directors of Teacher Education and Certification. Guidelines for Science and Mathematics in the Preparation Program of Elementary School Teachers. AAAS, 1963.
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