000 00439nam a2200157Ia 4500
003 NIELib
008 220420s9999||||xx |||||||||||||| ||und||
082 _a910.7
_bHET
100 _aHettiarachchi, Nimal
_91491
242 _asamaja adyanaya gatalu
245 _aසමාජ අධ්‍යයනය ගැටලු
260 _bNavodaya pub.,
_c1996.
_aBoralasgamuwa:
300 _a152p.;
_c21cm
650 _aGeography
942 _2ddc
_cLM
999 _c57432
_d57432