000
00261nam a2200121Ia 4500
008
160921s9999 xx 000 0 und d
100
_a
KUMAR N.
245
_a
EDUCATIONAL TECHNOLOGY
250
_a
1ST
260
_b
AITBS
_c
2009
300
_a
446
942
_c
BK
999
_c
27918
_d
27918