000 00281nam a22001217a 4500
020 _a9789556800562
082 _a510
_bABE
100 _aAbeydeera Nilmini
245 _aMathematics Gr - 11
260 _aColombo
_bSamudra book publications
_c2011
300 _a336 pages
942 _cL
999 _c15677
_d15677