000
00266nam a2200109 a 4500
082
_a
005.133
_b
COM
245
_a
Computer Tutor: An Introduction to Computers
260
_a
New Delhi :
_b
BPB Publication,
_c
1990
300
_a
106 p.
700
_a
ECC Group
942
_c
BK
999
_c
11565
_d
11565