Leedy, Paul D.,
Practical research : planning and design / Paul D. Leedy, Late of American University and Jeanne Ellis Ormrod, University of Northern Colorado (Emerita) ; with Laura Ruth Johnson, Northern Illinois University. - Twelfth edition. - xx, 441 pages : color illustrations ; 27 cm
Includes bibliographical references and index.
9789353439682
Research--Methodology.
001.4 / PAU
Practical research : planning and design / Paul D. Leedy, Late of American University and Jeanne Ellis Ormrod, University of Northern Colorado (Emerita) ; with Laura Ruth Johnson, Northern Illinois University. - Twelfth edition. - xx, 441 pages : color illustrations ; 27 cm
Includes bibliographical references and index.
9789353439682
Research--Methodology.
001.4 / PAU