Loney, SL.  <br/><br/>
Plane trigonometry part 1 /  
SL Loney.  
 - New Delhi :   Arihant,   1893.  
 - 268 p. ;   22 cm.  
<br/><br/><label>ISBN: </label>9789352030545 
<br/><br/><label>Subjects--Index Terms: </label>Measurement.  Trigonometrical.  Triangle.  
<br/><br/><label>Dewey Class. No.: </label>516.242  / LON