Unified modern mathematics  : secondary school mathematics curriculum improvement study 

 - Columbia:  Columbia University,  n.d. 
 - 332p.  v.p. 
<br/><br/><br/>eng 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics - Secondary School
<br/><br/><label>Dewey Class. No.: </label>375.51  / TEU