000 00558nam a2200217Ia 4500
003 IBSLLIB
005 20250629135119.0
008 231217s9999 xx 000 0 und d
020 _a9559941003
040 _beng
_aIBSLLIB
041 _hSin
082 _a001
_2PER
100 _aPerera , A.J.M. Shirani
245 0 _aදින 366
260 _aRagamalana :
_bAuthor ,
_c2006 .
300 _a307 P . :
_c29 cm
650 _aresearch and scientific method
653 _aGeneral knowledge
653 _aresearch and scientific method
942 _cBK
999 _c18542
_d18542