TY - BOOK AU - Eid,George ED - Ministry of national education youth and sports TI - Building Up Mathematics - Secondary education, Third year. Sociology and Economics section T2 - Le livre scolaire national U1 - CRDP 510.712 Math. Gr.12SE PY - 2000/// CY - Beirut PB - National center for educational research and development KW - Mathematics -- Study and teaching (Secondary Grade 12) -- Textbooks KW - Sociology and Economics section -- Mathematics -- (Secondary Grade 12) -- Textbooks ER -