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481
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482
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483
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484
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485
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486
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487
Scientific foundations of education a text written in collaboration by T.M. Weiss and Kenneth H. Hoover.
Foilsithe / Cruthaithe 1964LEABHAR -
488
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489
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490
Engineering graphics an integration of engineering drawing, descriptive geometry, and engineering problems solution
Foilsithe / Cruthaithe 1964LEABHAR