Practical research : planning and design.

Leedy, Paul D.

Practical research : planning and design. - 8th ed. / Paul D. Leedy and Jeanne Ellis Ormrod. - Upper Saddle River, N.J. : Prentice Hall, c2005. - xxiii, 319 p. : ill. ; 28 cm.

Includes bibliographical references (p. 309-311) and index.


eng.

0131108956 TZS 69560.12


Research

300.72 LEE

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