UNESCO handbook for the teaching of social studies /
UNESCO handbook for the teaching of social studies /
Edited by Howard D. Mehlinger.
- París : London : UNESCO ; Croom Helm, 1981.
- 409 p. : il., retrs.
0709917201 (Croom Helm) 9231018906
3 (07) =20 UNE.
0709917201 (Croom Helm) 9231018906
3 (07) =20 UNE.