TY  - BOOK
AU  - Roumi,Toufic
ED  - Ministry of national education youth and sports
TI  - Building Up Mathematics - Secondary education, Third year. Life sciences section. Teacher's Guide 
T2  - Le livre scolaire national
U1  - CRDP 373.7  Math. Guide Gr.12LS 
PY  - 2000///
CY  - Beirut
PB  -  National center for educational research and development
KW  - Mathematics -- Study and teaching (Secondary Grade 12) -- Teacher's Guide
KW  - Life sciences section -- Mathematics -- Study and teaching (Secondary Grade 12) -- Teacher's Guide
ER  -