Gemmel, Charlotte M. <br/><br/>
Keynotes  modern math simplified 
Charlotte M. Gemmel 
 - New York  Barnes & Noble  1968 
 - 188 p. : ill. ; 26 cm. 
<br/><br/><label>LCCN: </label>68-55295 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics--Problems, exercises, etc.