What kind of world are we leaving our children?
- Paris : Unesco, ©1978.
- 176 p. ; 25 cm.
- World tribune. .
Bibliography : p. 171-176.
331 331
92-3-101623-7
Social prediction -- Congresses.
303.49 / U3w
Bibliography : p. 171-176.
331 331
92-3-101623-7
Social prediction -- Congresses.
303.49 / U3w