000 00290 a2200121 4500
041 _aSn
082 _a001
_bTHA
245 _aතරග විභාග ජය මග
260 _c1995
_aColombo
_bShiksha Mandira
_g1995
300 _c21 cm.
_a[iv] ,172 p.
650 _aKNOWLEDGE
942 _cLN
999 _c25941
_d27488