000 00548cam a2200217ua 4500
001 6654
005 20260515114101.0
008 140308n ii |||gr||||Z||||||eng
020 _a81-85624-85-2
040 _cMAIN
082 _a516.24
245 _aIntermediate trigonometry
_cBy B.C. Das
250 _a44th ed.
260 _aCalcutta:
_bU.N. Dhur & sons private limited,
_c1999.
300 _axvi,296p.
653 _aGeometry
653 _aTrigonometry
700 _aDas,B.C.,
_eAuthor.,
700 _aMukherjee,B.N.,
_eAuthor.
942 _cBK
999 _c5798
_d5798