TY  - BOOK
AU  - Ahmed, Tanbir.
AU  - Ali, M. Shamsher.
AU  - Kaykobad, M.
TI  - Brain twister: delightful mathematics / 
U1  - 510 22
PY  - 2002///
CY  - Banglabazar
PB  - Voyager Publications
KW  - Mathematics
KW  - Number theory
KW  - Algebra
KW  - Geometry
N1  - Mathematics
ER  -