000 00287nam a2200121Ia 4500
008 220201s1992 xx 000 0 eng d
082 _a653.14
_bVIS
100 _aVisht,Gopal Dutt
245 0 _aTypewriting speed
260 _bVishisht Prakashan
_c1992
300 _a145p.
942 _2ddc
_01
999 _c7671
_d7671