TY  - BOOK
AU  - Adelmann,Bernd Josef
TI  - Didactic guide of social sciences in english based upon national and international comparisons for students in the third year of high school
U1  - T375.3 
CY  - Ibarra, Ecuador: 
PB  - PUCE-SI; ILL, 2003
KW  - CIENCIAS SOCIALES -ENSEÑANZA
N1  - Tesis
ER  -