Robert Geretschlager <br/><br/>
Engaging Young Students in Mathematics through Competitions World Perspectives and Practices 

 - c.1 
 - Singapore  World Scientific Publishing Co. Pte. Ltd  2020 
 -  c.1 .
<br/><br/><label>ISBN: </label>9789811205828 
<br/><br/><label>Dewey Class. No.: </label>Cir.510.79/Ger31e/2020/c.1  / 5803