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
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