TY  - BOOK
T1  - Teach yourself DOS
A1  - Schildt, Herbert
LA  - English
PP  - Berkeley, CA
PB  - McGraw-Hill
YR  - 1990
UL  - https://tuklas.up.edu.ph/Record/UP-99796217606693914
OP  - 478
CN  - QA 76.76 D49 S3 1990
KW  - MS-DOS (Computer operating system)
KW  - PC-DOS (Computer operating system)
ER  -