000 00438nam a2200157Ia 4500
005 20251001134757.0
008 251001s9999 xx 000 0 und d
041 _aEnglish
100 _aHerath, M. B.
245 0 _aOn the Job Staff Development T A Suggested Model for 1AB Sri Lankan Schools
260 _aMaharagama :
_c1991
300 _a30p.;
502 _cStaff College
_bPGDEM
_d1991
650 _aSchool Management
942 _cTH
999 _c161626
_d161626