TY  - BOOK
AU  -  Marguerite,G.Lodico
AU  - 
AU  -  Katherine H. Voegtle.
TI  - Methods in educational research : : from theory to practice 
SN  -  9780470436806
AV  - LB1028.L586 
PY  - 2010///
CY  - San Francisco .
PB  - : Jossey-Bass, 
KW  - Education--Research--Methodology
N1  - Includes bibliographical references (p. [427]-433) and index
ER  -