000 00253nam a22001097a 4500
999 _c1125
_d1125
082 _a510
_bRAJ
100 _aRajapaksha Samanthanee.R.P
245 _amathematics
260 _aKadawatha
_bS.D Wijetunga Book Publications
_c2009
300 _a22p.
942 _cL