Yaghi, Hussein Informatics - Basic education, Grade Nine - Beirut Centre de Recherche et de Développement Pédagogiques 2000 - 175 p. couv. couleur, ill. coul. 27 cm - Le livre scolaire national . Subjects--Topical Terms: Informatics -- Study and teaching (Secondary Grade 9) -- Textbooks. Dewey Class. No.: CRDP 004.0712 Inform. Gr.9