000
00280nam a2200097 4500
245
_a
Socio-Economic indicator for a planning : methodological aspects and selected examples
100
_a
Unesco
260
_a
Paris
_b
The Author
_c
1981
300
_a
122p.; 24cm.
082
_a
309.212
_b
UNE
999
_c
45710
_d
45710