http://dewey.info/scheme/a14/ en
155 Differential and developmental psychology
155.6 Psychology of adults
155.67 Persons in late adulthood
http://dewey.info/scheme/a14/ vi
155 Tâm lý học khác biệt và phát triển
155.6 Tâm lý học người lớn
155.67 Người cao tuổi
http://dewey.info/scheme/a14/ it
155 Psicologia differenziale e dello sviluppo
155.6 Psicologia degli adulti
155.67 Persone nella tarda età adulta
http://dewey.info/scheme/edition/e23/ en
155 Differential and developmental psychology
155.6 Psychology of adults
155.6086 Adults by miscellaneous social attributes 155.609 History, geographic treatment, biography 155.64 Adults by marital status and relationships 155.65 People in early adulthood 155.66 People in middle adulthood 155.67 People in late adulthood
Dewey Decimal Classification
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