000 nam a22 7a 4500
999 _c18551
_d18551
008 180511b xxu||||| |||| 00| 0 eng d
020 _a9789556643190
041 _heng
082 _a510
_bmas
100 _amaster, guide
245 _aMathematics: Grade 7/
260 _aColombo:
_bMaster Guide,
_c2016
300 _c24 cm
650 0 _aAdvanced mathematics
942 _cBK