අධ්යාපන මනෝවිද්යා සංග්රහය = Adhyapana manovidya samgrahaya - Kottawa Sara Prakasana 1999 - 216p. ISBN: 955584318 Subjects--Topical Terms: EDUCATIONPSYCHOLOGYEDUCATION PSYCHOLOGYEDUCATION SERIAL PUBLICATIONSEDUCATION JOURNALS Dewey Class. No.: 370.1505 / A23