ශ්රී ලංකාවේ පාසැල්වල ඵලදායිත්වය
Hettige , Anula
ශ්රී ලංකාවේ පාසැල්වල ඵලදායිත්වය - Kottawa Sara 2014 - 168 p. 21 cm.
9789555845000
School Administration - Sri Lanka
School Management - Sri Lanka
School Effevtiveness - Sri Lanka
Education
371.2 / HET
ශ්රී ලංකාවේ පාසැල්වල ඵලදායිත්වය - Kottawa Sara 2014 - 168 p. 21 cm.
9789555845000
School Administration - Sri Lanka
School Management - Sri Lanka
School Effevtiveness - Sri Lanka
Education
371.2 / HET