Wiles, Jon. 4 0
Supervision : a guide to practice / 6
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Jon Wiles, Joseph Bondi.
- Second edition.
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- viii, 373 pages : illustrations 26 cm.
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Includes bibliographical references and index.
5
Professional.
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0675204852 (hardcover)
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LB2805 / .W495 19862
371.2 W647 1986 / 219
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