TY  - BOOK
AU  - Allison, Paul D.
TI  - Missing data
T2  - A Sage University paper
SN  - 0-7619-1672-5
PY  - 2002///
CY  - Thousand Oaks
PB  - Sage Publications
KW  - Estatística
KW  - Tratamento de datos
N1  - Includes bibliographical references (p. 89-91)
ER  -