TY  - BOOK
T1  - Personal productivity using DOS primer
A1  - Gorham, Kenneth D.
LA  - English
PP  - Dubuque, IA
PB  - Brown Pub.
YR  - 1992
ED  - 2nd ed.
UL  - https://tuklas.up.edu.ph/Record/UP-99796217605943804
OP  - 44
CN  - QA76.76 O63 G67 1992
KW  - MS-DOS (Computer operating system)
ER  -