Khanna, M.L. <br/><br/>
Spherical Trigonometry 

 - Meerut  Jai Prakash Nath & Co.  1961 
 - 175 
<br/><br/><label>Publisher. No.: </label> Bangalore Book House 
<br/><br/><label>Subjects--Personal Names: </label> Mathematics 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics