Athukorala, Daya Rohana විශිෂ්ට අධ්යාපන චින්තන = wishishta adhyapana chinthana - Panadura : Shiksha Mandira, 1997. - iv,80p.; 21cm ISBN: 9559008528 Subjects--Topical Terms: Education Dewey Class. No.: 370.1 / ATH