Ebos, Frank <br/><br/>
Math matters, book 4 

 - Canada  Nelson Canada  c1988 
<br/><br/><label>ISBN: </label>0176017968 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics
<br/><br/><label>LC Class. No.: </label>QA39.2  / .E264 1988