TY  - BOOK
AU  - GEOGRAPHİC, NATIONAL.
TI  - WORKING HARD TO HELP
SN  - 9780736280761
U1  - 370.114 GEO/W 
PY  - 2011///
PB  - National Geographic
KW  - Social sciences
KW  - Cooperation
KW  - Donation
KW  - Toplum Bilimleri
KW  - Yardımlaşma
KW  - Bağış
ER  -