000 00464nam a2200157Ia 4500
005 20250913131823.0
008 250913s9999||||xx |||||||||||||| ||und||
020 _a9555971366
041 _aSinhala
100 _aBalasooriya, A. S.
245 0 _aපාසලෙහි ගැටුම් කළමනාකරණය
260 _aMaharagama :
_bNational Institute of Education,
_c1993
300 _axi, 208p.;
_bill.
_c21cm
650 _aGuide Book
942 _cGB
999 _c160037
_d160037