Introductionn of secondary school: mathematics 

 - Stanford  The BOard of Trustees of the Leland Stanford  USA 
 - 241p.  cm. 
<br/><br/><label>Standard No.: </label>246021 
<br/><br/><label>Source: </label> Textbook 
<br/><br/><label>Subjects--Topical Terms: </label><br/>MATHEMATICS
<br/><br/><label>Dewey Class. No.: </label>B, K2.2