Rider, Paul R. <br/><br/>
Plane and Spherical Trigonometry / 
Paul R. Rider 
 - Philippines :   The Macmillan Company,   1971 
 - 142 pages :  illustrations ;   21 centimeters.  
<br/><br/><label>ISBN: </label>9710819186 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Plane trigonometry<br/>Spherical Trigonometry
<br/><br/><label>Dewey Class. No.: </label>FIL 516.24 R24p 1971