TY  - BOOK
AU  - Lorenzo,Angelo Miguel P.
TI  - I.Q. math brain teasers
SN  - 978-971-0502-27-1
U1  - Fil./Ref. 510.76 I61 2009 
PY  - 2009///
CY  - Philippines
PB  - Mindmaster Publishing Company, Inc.
KW  - Mathematics - Problems, exercises, etc
ER  -