TY  - BOOK
AU  - Worrall, Norman E. 
TI  -  Clerical Duties 
SN  - 071311441x
AV  - HF5547 .W67 1968
PY  - 1969///
CY  - London.
PB  - Edward Arnold Publishers
KW  -  Office practice. Clerks. Office management
ER  -