000
00225nam a2200109Ia 4500
020
_a
8122408737
082
_a
512.7
100
_a
MITAL, K.V
245
_a
OPTINZOHON METHODS
260
_a
NEW DELHI
_b
NEW AGE
_c
1996
942
_c
BK
999
_c
4960
_d
4960