000
00246nam a2200097Ia 4500
008
230401s9999 xx 000 0 eng d
100
_a
SINGH & GUPTA
245
0
_a
ELECTRONIC MATERIAL AND DEVICES
260
_b
COLLEGE BOOK DEPOT
942
_2
ddc
_c
BTECH
999
_c
8084
_d
8084