TY  - BOOK
AU  - Bultema Patrick
AU  - Murach, Joel
TI  - DOS, word perfect , and Lotus essentials
SN  - 8186011544
U1  - 005.43 DOS 
PY  - 1992///
CY  - New Delhi
PB  - Galgotia Publications Pvt Ltd
KW  - Application programm
KW  - Operating system
ER  -