000 00477nam a22002057a 4500
015 _a0004682
016 _aDEP
041 _aSIN
080 _a510
245 _aගණිතය
260 _aThe Educational Publications Department
_bBaththaramulla
_c2013
300 _a218p
_b1
310 _a2023-11-15
365 _bRs.90
852 _aMathematics(AL)
999 _c4222
_d4222