Leedy, Paul D.
Practical research : planning and design / Paul D. Leedy, Jeanne Ellis Ormrod - 9th ed. - Upper Saddle River, NJ : Merrill, 2010 - xvii, 336 p. ; 28 cm.
9780137152421
Research
001.4 / P895
Practical research : planning and design / Paul D. Leedy, Jeanne Ellis Ormrod - 9th ed. - Upper Saddle River, NJ : Merrill, 2010 - xvii, 336 p. ; 28 cm.
9780137152421
Research
001.4 / P895