000
00311nam a2200145Ia 4500
008
220421s9999||||xx |||||||||||||| ||und||
020
_c
225
040
_a
ET
100
_a
C.J DATE
245
0
_a
AR. INTRO DATABASE SYSTEM
260
_b
CONCEPT PUB.
_a
DELHI
300
_a
380
500
_a
14602
942
_c
BK
999
_c
20845
_d
20845