Matheatics book 1 : 

 - Nelson :  London ;  1992. 
 - 232p ; 21cm .  01 
 - 2024-07-31 
<br/><br/><label>ISBN: </label>017438464X 
<br/><br/><label>Nat. Bib. No.: </label>0010175 
<br/><br/><label>Nat. Bib. Agency Control No.: </label>TAY 
<br/><br/><label>Universal Decimal Class. No.: </label>510