TY  - BOOK
AU  - National center for educational research and development 
ED  - Ministry of national education youth and sports 
TI  - Building mathematics: Secondary education, second year sciences section 
U1  - CRDP 510.712 Math. Gr.11s 
PY  - 1999///
CY  - Sin EL Fil
PB  - National center for educational research and development 
KW  - Mathematics -- Study and teaching (Secondary Grade 11) -- Textbooks
KW  - Sciences section -- Mathematics -- Study and teaching (Secondary Grade 11) -- Textbooks
ER  -