Author
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Association for Supervision and Curriculum Development
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Bauer, Nicole
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Baxter, Martin, 1968-
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Beatty, Alexandra S.
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Berch, Daniel B.,
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Burns, Marilyn, 1941-
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Carpenter, Thomas P.
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Chernoff, Egan J.,
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Clements, Douglas H.
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Dana, Marcia
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Davis, Philip J., 1923-
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De Freitas, Elizabeth,
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Dienes, Zoltan P.
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ETA Cuisenaire
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Euclid
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Fan, Lianghuo
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Forgasz, Helen
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Geary, David C.,
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Gordon, Toby
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Grattan-Guinness, I.
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Hiebert, James
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Higgins, Peter M., 1956-
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Hoogeboom, Shirley
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Kramer, Klaas, 1916-
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Kuenzi, Jeffrey J., 1965-
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Learning Seed Company
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Lesh, Richard A.
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Magna Systems
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Mann Koepke, Kathleen,
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McCabe, Daniel,
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Napier, John, 1550-1617
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National Academy of Engineering
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National Research Council (U.S.). Commission on Physical Sciences, Mathematics, and Applications
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Neagoy, Monica,
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Olson, Steve, 1956-
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Paynell, Thomas
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Putnam, Hilary
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Radtke, Becky
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Rider, Randy
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Rossiĭskai͡a akademii͡a nauk
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Roth, Wolff-Michael, 1953-
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Sarama, Julie
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Scholastic Inc
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Sobel, Max A.
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Steffe, Leslie P.
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Stitz, Carl
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Thompson, Denisse R. 1954-
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Thornton, Carol A.
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United States. Congress. House. Committee on Education and Labor. Subcommittee on Elementary, Secondary, and Vocational Education,
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United States. Congress. House. Committee on Science and Technology (2007). Subcommittee on Research and Science Education,
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