TY  - BOOK
ED  - PC Learning Labs 
TI  - Teachers DOS 6 & 6.2
SN  - 8170296129
U1  - 005.43 
PY  - 1995///
CY  - New Delhi 
PB  - BPB Publications 
KW  - Computer science -- DOS
KW  - Disck Operating Systems
N1  - Includes index
ER  -