TY  - BOOK
AU  - Ministry of national education youth and sports 
ED  - National center for educational research and development
TI  - Life science: Secondary education second year  science section ( specimen)
U1  - CRDP 570.712 Life Sci. Gr.11s 
PY  - 2006///
CY  - Sin El Fil
PB  - Ministry of national education youth and sports 
KW  - Life science -- Study and teaching (Secondary Grade 11) -- Textbooks
KW  - Science section -- Life science -- Study and teaching (Secondary Grade 11) -- Textbooks
ER  -