TY  - BOOK
T1  - Effective social studies
A2  - Gregory, J. B.
A2  - Wicks, J. M.
A2  - Martin, Owen
LA  - English
YR  - 1979
ED  - New, 3. [Aufl.]
UL  - http://glotrec.wdi-staging.gei.de/cat/Record/gei564442259
SN  - 0725300094
KW  - Schulbuch
ER  -