000
00280nam a2200109Ia 4500
008
230210s9999 xx 000 0 und d
100
_a
Sharma,R.A.
_9
18987
245
0
_a
Educational Technology And Management
260
_b
Surya Publication
_c
2010
300
_a
652
942
_c
BK
999
_c
118487
_d
118487