TY  - BOOK
AU  - Leedy,Paul D.
AU  - Newby,Timothy J.
AU  - Ertmer,Peggy A.
TI  - Practical research: planning and design 
SN  - 0132414074
U1  - 001.4 Abridged edition
PY  - 1997///
CY  - Upper Saddle River, N.J.
PB  - Merrill
KW  - Research
KW  - Methodology
KW  - Research Design
ER  -