TY  - BOOK
AU  - Principi, Andrea||Jensen, Per H.||Lamura, Giovanni
TI  - Active ageing: Voluntary work by older people in Europe
KW  - Sociology
UR  - https://library.oapen.org/bitstream/20.500.12657/25182/1/1004908.pdf||https://library.oapen.org/bitstream/20.500.12657/25182/1/1004908.pdf||https://library.oapen.org/bitstream/20.500.12657/25182/1/1004908.pdf
ER  -