000
00307nam a2200145Ia 4500
008
220421s9999||||xx |||||||||||||| ||und||
020
_c
200
040
_a
ET
100
_a
MANGAL
245
0
_a
EDUCATIONal TECHNOLOGY
260
_b
ARYA BOOK
_a
NEW DELHI
300
_a
249
500
_a
65394
942
_c
BK
999
_c
71357
_d
71357