Practical research :
Leedy, Paul D.
Practical research : planning and design / 2013 Paul D. Leedy and Jeanne Ellis Ormrod. - 10th ed. - Boston, U.S.A. : Pearson, 2013 - xix, 364p. : col. ill. ; 28 cm
Includes bibliographical references and index
9780132899505
Research--Methodology
Q180.55.M4 / .L484 2013
Practical research : planning and design / 2013 Paul D. Leedy and Jeanne Ellis Ormrod. - 10th ed. - Boston, U.S.A. : Pearson, 2013 - xix, 364p. : col. ill. ; 28 cm
Includes bibliographical references and index
9780132899505
Research--Methodology
Q180.55.M4 / .L484 2013