AU  - Allen, H.V 
TI  - Intermediate commercial arithmetic 
U1  - 513 ALL  
PY  - 1966///
CY  - Great Britain
PB  - Longmans
KW  - Business mathematics
KW  - İşletme Matematiği
KW  - Company Mathematics
KW  - Şirket Matematiği
N1  - Includes index (209-229 cm)
ER  -