National center for educational research and development  <br/><br/>
Chemistry: Secondary education second year humanites section 

 - Sin El FIl  National center for educational research and development   2015 
 -  146 p.  27 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Chemistry -- Study and teaching (Secondary Grade 11) -- Textbooks.<br/>Humanites section -- Chemistry -- Study and teaching (Secondary Grade 11) -- Textbooks.
<br/><br/><label>Dewey Class. No.: </label>CRDP 540.712 Chim. Gr.11h