TY  - BOOK
AU  - Roumi,Toufic
TI  - Building Up Mathematics - Secondary education, Third year. Life sciences section 
T2  - Le livre scolaire national
U1  - CRDP 510.712 Math. Gr.12LS 
PY  - 2013///
CY  - Beirut
PB  - Centre de Recherche et de Développement Pédagogiques
KW  - Mathematics - Secondary education- Third year- Life sciences section
KW  - Life sciences section -Mathematics - Secondary education
ER  -