ISBN 1503161390 books & textbook
The Original Collection of Math Contest Problems: Elementary and Middle School Math Contest problems
Math Circle, Orange County Xu, Eric Chen, Michelle Chen, Victor Chen, Benjamin Ye, Jason Tian, Lia Loh, Prof Po-Shen
CreateSpace Independent Publishing Platform /2014-11-11 Paperback / 264 Pages
isbn-10: 1503161390 / isbn-13: 9781503161399
