TY  - RPRT
TI  - Life-span learning: a developmental perspective.
AU  - James E Thornton
PY  - 2003
DO  - 10.2190/r4ek-u2v5-2c35-28p0
UR  - https://pubmed.ncbi.nlm.nih.gov/14977240/
ID  - 14977240
ER  -