000 00281nam a2200109Ia 4500
008 221001s1968 xx 000 0 eng d
082 _a510 NAR
100 _aNarayan, Prem
245 0 _aMathematics for students of commerce
260 _aDelhi
_bSultan Chand
_c1968
942 _2ddc
_cBK
999 _c46440
_d46440