TY  - BOOK
AU  - Urdan, Thimothy C. / 
TI  - Statistics in plain english / 
SN  - 0-8058-5241-7
U1  - UCG 519.5  
PY  - 2005///.
CY  - New Jersey : 
PB  - Lawrence Erlbaum, 
KW  - Estadística
ER  -