Practical research :
Leedy, Paul D.
Practical research : planning and design. Paul D. Leedy and Jeanne Ellis Ormrod./ - 8th ed. - Upper Saddle River, N.J. : Prentice Hall, 2005. - xxiii, 319 p. : ill. ; 28 cm.
Includes bibliographical references (p. 309-311) and index.
0131108956
Research
Q180.55.M4.L4 2005
Practical research : planning and design. Paul D. Leedy and Jeanne Ellis Ormrod./ - 8th ed. - Upper Saddle River, N.J. : Prentice Hall, 2005. - xxiii, 319 p. : ill. ; 28 cm.
Includes bibliographical references (p. 309-311) and index.
0131108956
Research
Q180.55.M4.L4 2005