Abeydeera,Nilimini <br/><br/>
Advanced Level Trigonometry 

 - Samudra Book Publications  Colombo 08  2019 
 - 197p  1 
 - 2023-11-14 
<br/><br/><label>ISBN: </label>978-955-680-850-6 
<br/><br/><label>Nat. Bib. No.: </label>0007880 
<br/><br/><label>Nat. Bib. Agency Control No.: </label>ABE 
<br/><br/><label>Universal Decimal Class. No.: </label>510