Feldman, Shirley editora At the threshold: The developing adolescent - 1 ed. - USA : Harvard University Press, 1990 - x, 642 p. ISBN: 9780674050365 Subjects--Topical Terms: AdolescentesPsicologĂa del AdolescentePubertad Dewey Class. No.: 305.235 / A861t 1990