TY  - BOOK
AU  - National center for educational research and development 
ED  - Ministry of national education youth and sports 
TI  - Chimestry, second education: Second year sciences section Part 1
U1  - CRDP 540.712 Chim. Gr.11s v.1 
PY  - 2006///
CY  - Sin El Fil
PB  - National center for educational research and development 
KW  - Chimestry-- Study and teaching (Secondary Grade 11) -- Textbooks
KW  - Chimestry-- Study and teaching (Secondary Grade 11) -- Textbooks--Sciences section Part 1
ER  -