Hettige,Anula ශ්රී ලංකාවේ පාසල්වල ඵලදායිත්වය = Sri Lankawe pasalwala paladayithwaya - Boralla Sara, 2014 - 168p.; 22cm ISBN: 9789555845000 Subjects--Topical Terms: School administration Dewey Class. No.: 371.2 / HET