TY  - BOOK
AU  - Yaghi,Hussein
TI  - Informatics - Basic education, Grade Nine. Teacher's Guide 
T2  - Le livre scolaire national
U1  - CRDP 373.7 Inform. Guide Gr.9 
PY  - 2000///
CY  - Beirut
PB  - Centre de Recherche et de Développement Pédagogiques
KW  - Informatics -- Study and teaching (Secondary Grade 9) -- Teacher's Guide
ER  -