Wijesuriya, Sarath අතීතය ගුරුවරයෙකි = athiithaya guruvarayeki - Mulleriyava; Wijesuriya Books, 2009. - 298p. 21cm ISBN: 978-955-652-414-7 Subjects--Topical Terms: Applied Psychology Dewey Class. No.: 158.1 / WIJ