TY  - BOOK
AU  - Lapan, Stephen D
AU  - Quartaroli, Marylynn T
TI  - Research Essentials : An Introduction to Design and Practices
SN  - 9780470181096
U1  - 001.42 
PY  - 2009///
CY  - New York
PB  - Cambridge University Press
KW  - Research Methodology
ER  -