TY  - BOOK
AU  - Pett, Marjorie A.
TI  - Nonparametric statistics for Health care Research: Statistics for small samples and unuaual distributions/2nd ed
SN  - 978-1-4522-8196-4
U1  - 519.234 
PY  - 2016///
CY  - U K
PB  - Sage Publications
KW  - Nonparametric statistics
ER  -