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Practical research:

Leedy, Paul D.

Practical research: planning and design/ Paul D. Leedy and Jeanne Ellis Ormrod - Tenth edition - Boston: Pearson; c2013. - xix, 364 pages; 27 cm.

Includes bibliographical references and index.

10: 0-13-269324-0 13: 978-0-13-269324-0


Research--Methodology

DC 001.4 / L484