000 00459nam a2200169Ia 4500
003 NIELib
008 220420s9999||||xx |||||||||||||| ||und||
020 _a955 20 3637 2
082 _a370
_bHET
100 _aHettiarachchi, Kumaradasa
_92553
242 _aaDHyaapana sanvardhanaya
245 _aඅධ්‍යාපන සංවර්ධනය
260 _bGodage,
_c1999.
_aColombo:
300 _a120p.;
_c21 cm.
650 _aEducation
942 _2ddc
_cLM
999 _c64021
_d64021