000
00304cam a22001457a 4500
008
210121b0 xxu||||| |||| 00| 0 eng d
082
_a
304.28 IGN
100
_a
IGNOU
245
_a
TECHNOLOGY ENVIRONMENT
260
_a
_b
IGNOU
_c
0
490
_a
690
_a
FBSS
690
_a
GENERAL
906
_a
105175
999
_c
24003
_d
24003