Balakrishnan, Y <br/><br/>
Intermediate Trigonometry 

 - Trichur  Mangalodayam Pvt Ltd  1945 
 - 130p 
<br/><br/> includes index and biblioraphy 
<br/><br/><label>ISBN: </label> 0 
<br/><br/><label>Dewey Class. No.: </label>Q11  / B182