Practical research : planning and design /
Leedy, Paul D.
Practical research : planning and design / Paul D. Leedy, Jeanne Ellis Ormrod. - Eleventh edition, - Boston : Pearson, 2015. - 407 pages :
9781292095875
001.42 LEE.P
Practical research : planning and design / Paul D. Leedy, Jeanne Ellis Ormrod. - Eleventh edition, - Boston : Pearson, 2015. - 407 pages :
9781292095875
001.42 LEE.P