Practical research : planning and design /

Leedy, Paul D.

Practical research : planning and design / Paul D. Leedy, Jeanne Ellis Ormrod. - 7th ed. - Upper Saddle River, N. J. : Prentice Hall, c2001. - xvi, 318p. : ill. ; 27 cm.

Includes bibliographical references and index.

0139603603


Research--Methodology.
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