Record keeping
numerical system
Jaffar, S.M.
creator
text
Peshawar
Government Printing & Stationary
1951
monographic
viii, 51 p. : ill. ; 18 cm.
Record keeping
Double-Head
Numerical system
Register-Pending
Some safeguards
Essentials
Evolution
IIMC
657.2 JAF
(hb)