000 00550nam a2200169Ia 4500
005 20250913131754.0
008 250913s9999||||xx |||||||||||||| ||und||
041 _aSinhala
100 _aObesekara, H. L.
242 _aWishayamala sanwardhana krushikarma adyapanaya
245 0 _aවිෂයමාලා සංවර්ධන කෘෂිකර්ම අධ්‍යාපනය
260 _aMaharagama :
_bNational Institute of Education,
_c2000
300 _a144p.;
_c29cm
650 _aEducation
650 _aResearch Report
942 _cRP
999 _c157773
_d157773