Samarasinghe, Chandra අතිරේක කියවීමට විද්යාව - 1 = athireeka kiyaviimata vidyaava 1 - Matara : Pahan prakashana, 1986. - 70p.; 22cm Subjects--Topical Terms: Writing SystemsScience Dewey Class. No.: 507 / SAM