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