Plano Clarck, Vicki L.

Understanding research : a consumer's guide V.L. Plano Clarck, John W. Creswell - Upper Saddle River, NJ Merril / Pearson c2010. - xix, 388p. : ill. 28 cm.

9780131583894


Research --Methodology

RNF Q 180.55 M48 P43 2010