Carstensen, L.L., Isaacowitz, D.M., & Charles, S.T. (1999). Taking time seriously. A theory of socioemotional selectivity theory. American Psychologist, 54 (3) , 165-181.
Carstensen, L.L., Isaacowitz, D.M., & Charles, S.T. (1999). Taking time seriously. A theory of socioemotional selectivity theory. American Psychologist, 54 (3) , 165-181.