Operating Data Entry Systems.
Hanson,Peggy.
Operating Data Entry Systems. /Peggy Hanson. - London : Prentice- Hall, Inc. ,1977. - xi,290p. :29cm.
0136378196
HCL
; Data Entry Systems
; Electronic data processing.
;Computer programming.
; Hanson, Peggy.
; HCL Collection.
001.6442 HAN
Operating Data Entry Systems. /Peggy Hanson. - London : Prentice- Hall, Inc. ,1977. - xi,290p. :29cm.
0136378196
HCL
; Data Entry Systems
; Electronic data processing.
;Computer programming.
; Hanson, Peggy.
; HCL Collection.
001.6442 HAN