TY  - BOOK
AU  - Kraemer,Helena Chmura
AU  - Blasey,Christine
TI  - How many subjects? : statistical power analysis in research 
SN  - 9781483319544 
PY  - 2016///
CY  - UK
PB  - Sage
KW  - Research
KW  - Statistical methods
KW  - Statistical power analysis
ER  -