TY  - BOOK
AU  - Menard, Scott
TI  - Longitudinal research: : second edition
T2  - A Sage University paper
SN  - 0-7619-2209-1
PY  - 2002///
CY  - Thousand Oaks
PB  - Sage Publications
KW  - Estatística
N1  - Includes bibliographical references: (p. 83-92)
ER  -