TY  - BOOK
AU  - Kraemer,Helena Chmura
AU  - Thiemann,Sue
TI  - How many subjects? : statistical power analysis in research
AV  - Q180.55 .S7 K723H
PY  - 1987///
CY  - Newbury Park, Calif.
PB  - Sage
KW  - RESEARCH
KW  - STATISTICAL METHODS
ER  -