Xiong, Bin; et al. <br/><br/>
Problems and Solutions in Mathematical Olympiad (High School 1) 
/ Xiong Bin Et Al 
 -  World Scientific  2023 
 - 580 
<br/><br/><label>ISBN: </label>9781944660406 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Philosophy
<br/><br/><label>Dewey Class. No.: </label>510.76  / XIO