000 00454nam a2200157Ia 4500
008 240930s9999||||xx |||||||||||||| ||und||
020 _a9559609874
082 _a370.15
_bGUN
100 _aGunasekara,Upali
242 _aUpadeshanayata praweshayak
245 0 _aඋපදේශනයට ප්‍රවේශයක්
260 _aKalagedihena
_bGunasekara Upali,
_c1998
300 _a116p.;
_c21cm
650 _aEducational psychology
942 _cLM
999 _c134241
_d134241