000
00299nam a2200133Ia 4500
100
_a
Gupta M.L & Kumar/R
942
_c
BK
654
_a
Calculation
245
_a
Workshop Calculation & Science
260
_b
Dhanpat Rai & Sons
_a
Delhi
_c
1975
082
_a
510
300
_a
260
546
_a
ENGLISH
999
_c
20740
_d
20740