National center for educational research and development  <br/><br/>
Chimestry, second education: Second year sciences section Part 1 

 - Sin El Fil  National center for educational research and development   2006 
 -  120 p.  27 cm 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Chimestry-- Study and teaching (Secondary Grade 11) -- Textbooks.<br/>Chimestry-- Study and teaching (Secondary Grade 11) -- Textbooks--Sciences section Part 1
<br/><br/><label>Dewey Class. No.: </label>CRDP 540.712 Chim. Gr.11s v.1