León R. Thomas, H. & Maddox. G. L. eds. (1982), .New perspectives on old age. A message to decision makers. New York: Springer Publishing Company. XII 146 pgs. PSICO [Internet]. 21oct.1985 [citado 22nov.2024];3(2):244-5. Available from: https://revistas.pucp.edu.pe/index.php/psicologia/article/view/7536