Luckham, David C. <br/><br/>
Analytic Trigonometry: A Programmed Course 

 - U.S.A.:  Encyclopaedia Britanica Films Inc,  1962. 
 - 35p.;  29cm 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Trigonometry
<br/><br/><label>Dewey Class. No.: </label>516.24  / LUC