TY  - BOOK
A2  - Paul D. Ellis.
AU  - Ellis, Paul D.
ET  - 6th print.
NV  - XVII, 173 s. :
PY  - 2013
SN  - 9780521194235
SN  - 9780521142465
TI  - The essential guide to effect sizes : statistical power, meta-analysis, and the interpretation of research results /
ER  -