TY  - BOOK
AU  - Omar b. Ahmad @ Hamat, 
TI  - Koleksi 55 petua mengira pantas
SN  - 9839215140
U1  - 510 23
PY  - 2000///
CY  - Kota Bahru, Kelantan : 
PB  - M.A.R Publishing (M) Sdn. Bhd. , 
KW  - Mathematics
ER  -