National center for educational research and development <br/><br/>
Life Science: Secondary education third year litterature and humanites sociology and economics section  

 - Sin El Fil   National center for educational research and development  2015 
 -  150 p.  27cm 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Litterature and Humanites section-- Study and teaching (Secondary Grade 12) -- Textbooks.<br/>Sociology and Economics section-- Study and teaching (Secondary Grade 12) -- Textbooks.
<br/><br/><label>Dewey Class. No.: </label>570.712 LH-SE Life Science