Abbott P <br/><br/>
Teach yourself trigonometry 

 -  1967 
 - Teach Yourself Books, 1967 .
<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Trigonometry
<br/><br/><label>Dewey Class. No.: </label>B5, K7