000
00273nam a2200121Ia 4500
100
_a
Parkyn, George W
020
_a
92-3-101117-0
942
_c
BK
245
_a
Towards a conceptual model of life-long education
260
_a
Unesco
_c
1973
082
_a
370 Par
300
_a
54
999
_c
7545
_d
7545