TY  - BOOK
T1  - A course in social studies
A2  - Khanna, K. C.
A2  - Duggal, B. N.
LA  - English
PP  - Delhi
PB  - Navdeep
YR  - 1967
ED  - 4. reprint
UL  - https://glotrec.wdi-testing.gei.de/cat/Record/gei73066385X
KW  - Schulbuch
ER  -