Borchardt.W; G. & Perrott.A.D. <br/><br/>
First Trignometry. 

 - 1st Ed. 
 -  G.Bell and Sons Ltd.  1972 
 - 114p.  22 cm. 
<br/><br/><br/>Text in English 
<br/><br/><label>Subjects--Facted Index Terms: </label><br/>MATH
<br/><br/><label>Dewey Class. No.: </label>MATHS-810  / BOR