TY  - BOOK
AU  - Le Hai Khoi Et Al
TI  - Selected Problems of the Vietnamese Mathematical Olympiad 1962-2009
SN  - 9789814289603
PB  - World Scientific
KW  - Mathematics
UR  - https://www.worldscientific.com/worldscibooks/10.1142/7514#t=toc
ER  -