Loney, S.L. <br/><br/>
Plane Trigonometry Part -II 

 - S Chand and Company Limited  New Delhi  2013 
 - 224  PB 
<br/><br/><label>ISBN: </label>9788121909181 
<br/><br/><label>Dewey Class. No.: </label>516.242 LOS P