Bronfenbrenner, Urie, 1917- The ecology of human development : experiments by nature and design / Urie Bronfenbrenner - Cambridge : Harvard University Press, c1979 - xv, 330 p. ; 24 cm. Includes bibliographical references and index ISBN: 0674224566 : USD 16.50 Subjects--Topical Terms: Child psychology--ResearchHuman development Dewey Class. No.: 136.7