TY - BOOK AU - Yaghi,Moustapha AU - Ayoubi,Zalpha TI - Chemistry Secondary Education third Year Literature and humanities sociology and economics Teacher's Guide T2 - Le Livre Scolaire National U1 - 540.712 PY - 2000/// CY - Beyrouth PB - Centre de Recherche et de Développement Pédagogiques KW - Educational book -- Chemistry -- Guide -- Scondary -- Third Year KW - Chemistry -- Guide -- Scondary -- Third Year ER -