000
00331nam a2200133Ia 4500
999
_c
6816
_d
6816
005
20210924145135.0
008
201007s9999 xx 000 0 und d
020
_a
8174570667
100
_a
AGARWAL,J.C.
245
0
_a
EDUCATIONAL TECHNOLOGY AND MANAGEMENT
260
_c
2003
_a
AGRA
_b
VINOD BOOKS
300
_a
424p.
942
_c
BK
_2
ddc