Practical research: planning and design /
Leedy, Paul D
Practical research: planning and design / Paul D. Leedy and Jeanne Ellis Ormrod - New Jersey : Pearson , 2013 - xix,364p: ill 28 cm
9780132693240
Practical research: planning and design / Paul D. Leedy and Jeanne Ellis Ormrod - New Jersey : Pearson , 2013 - xix,364p: ill 28 cm
9780132693240