EICHOLZ, Robert E. Fleenor, Charles R. O'Daffer, Phares G. <br/><br/>
Investigating school mathematics 
/[by] Robert E.Eicholz, Phares G.O'Daffer, Charles R.Fleenor 
 - 2nd ed. 
 - Menlo park  Addison-Wesley pub.  1976 
 - 377 p. 
<br/><br/> Appendixes: p.A 1-A 34. 
<br/><br/><label>ISBN: </label>201095602 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Distance education
<br/><br/><label>Dewey Class. No.: </label>371.351  / EIC