National center for educational research and development  <br/><br/>
Building mathematics: Secondary education, second year sciences section  

 - Sin EL Fil  National center for educational research and development   1999 
 -  384 p.  27 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics -- Study and teaching (Secondary Grade 11) -- Textbooks.<br/>Sciences section -- Mathematics -- Study and teaching (Secondary Grade 11) -- Textbooks.
<br/><br/><label>Dewey Class. No.: </label>CRDP 510.712 Math. Gr.11s