142 resultados para methodology of research-action.
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"December 1953".
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Mode of access: Internet.
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Mode of access: Internet.
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Mode of access: Internet.
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"Printed 1991"--P. [4] of cover.
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Mode of access: Internet.
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National Highway Traffic Safety Administration, Washington, D.C.
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National Highway Traffic Safety Administration, Washington, D.C.
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National Highway Safety Bureau, Washington, D.C.
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Mode of access: Internet.
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Texas State Department of Highways and Public Transportation, Transportation Planning Division, Austin
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Bibliography: p. 593-629.
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Includes bibliographical references (p. 39-46).
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California Traffic Safety Education Task Force
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Mode of access: Internet.