000 00245 a2200097 4500
082 _a510 YUS
100 _aYusuf, S.M
245 _aKey to Mathematical Methods
_cS.M. Yusuf
260 _aLahore :
_bIlmi Kitab Khana ,
_c1994.
300 _a732p. :
_c20 cm.
650 _amathematics
999 _c475
_d475