Menard, Scott W. Longitudinal research - 2. ed. - United States of America : SAGE Publications, 2002. - 93 p. ; 22 x 14 cm. - Sage university papers series : Quantitative applications in the social sciences ; [n. 07-76] . Includes bibliographical references. ISBN: 9780761922094 Subjects--Index Terms: Social Sciences Longitudinal Studies Universal Decimal Class. No.: 303.725.34