Abeydeera, Nilmini. <br/><br/>
GEOMETRY :  Grade 6 - 11 Secondary. 

 - 1st Ed. 
 - Colombo :  Samudra Book Publications,  2023. 
 - 356 P. 
<br/><br/><label>ISBN: </label>9786242032160 
<br/><br/><label>Dewey Class. No.: </label>516  / ABE