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008 180712s9999 xx 000 0 und d
020 _a309270235
041 _aEN
082 _a358.4
_bNAT
_223
111 _993831
_aNational Research Council
245 _aA Study to investigate the effectiveness of implementation of reforms at key stage I of primary cycle in Sri Lanka
260 _aColombo
_bNational education research and evaluation centre
_c2002
300 _axii, 63 p.
509 _aZSU
650 _aAir warfare
942 _cS