000 00239nam a2200109Ia 4500
020 _a817635001X
082 _a005.43
100 _aLOIS, PATTERSON
245 _aTEACHYOURSELF MS EXECL 97 IN 24H.
260 _aN.D
_b TATA M
_c1998
942 _cBK
999 _c4549
_d4549