TY  - BOOK
AU  - ONTARIO, DATA ORGANIZATIONS(International federation of-)
ED  - ONTARIO, DATA ORGANIZATIONS(International federation of-)
TI  - Data-based teaching in the social sciences
SN  - 9231021133
U1  - T:3(Sigma),2, M3 
PY  - 1983///
CY  - Paris
PB  - UNESCO        
KW  -  EDUCATION
KW  - SOCIAL SCIENCES - TEACHING
ER  -