Anderson, Lorin W. ගුරු සඵලතා වර්ධනය = guru saPalatha varDHanaya - Jathika Guru Adhyapana Adhikariya, 1999. - xi,112p.; 21 cm. ISBN: 95585920005 Subjects--Topical Terms: School EducationE.L Wijemanna Collection Dewey Class. No.: 371.1024 / AND