Singer, Judith D. Applied longitudinal data analysis : modeling change and event occurrence / by Judith B. Singer [and] John B. Willett - Oxford : Oxford University Press, c2003 - xx, 644 p. : ill. ; 24 cm. Includes bibliographical references and index ISBN: 0195152964 : USD 65.00 Subjects--Topical Terms: Longitudinal methodSocial sciences--Research Dewey Class. No.: 001.42