TY  - BOOK
AU  -  National center for educational research and development
ED  - Ministry of national education youth and sports
TI  - Life science secondary education: Second year humanites section
U1  - CRDP 570.712 Life Sci. Gr.11h 
PY  - 1999///
CY  - Sin El Fil
PB  -  National center for educational research and development
KW  - Life Science -- Study and teaching (Secondary Grade 11) -- Textbooks
KW  - Humanites section--Life Science -- Study and teaching (Secondary Grade 11) -- Textbooks
ER  -