National center for educational research and development
Philosophy and Civilisation: secondary education second year sciences section
- Sin El Fil National center for educational research and development 1999
- 192 p. 27 cm.
Philosophy -- Study and teaching (Secondary Grade 11) -- Textbooks. Civilisation -- Study and teaching (Secondary Grade 11) -- Textbooks. Sciences section -- Study and teaching (Secondary Grade 11) -- Textbooks.