TY  - BOOK
AU  - Siddique,Abu Bakar, x
AU  - x
TI  - DDC number buliding and number analysis: A mathematical synopsis
SN  - x
U1  - 025.4/ABD 
PY  - 1972///
CY  - Dacca
PB  - The Author
KW  - Classification, Decimal
N1  - x
ER  -