TY  - BOOK
AU  - National center for educational research and development
ED  - Ministry of national education youth and sports 
TI  - Informatics  secondary education first year (specimen)
U1  - CRDP 004.0712 Inform. Gr.10 
PY  - 1998///
CY  - Sin El Fil
PB  - National center for educational research and development
KW  - Informatics -- Study and teaching (Secondary Grade 10) -- Textbooks
ER  -