Gunawardhana, Chandra අධ්යාපන මනෝවිද්යාව = aDHyaapana manovidyaava: veluma 2 - Battaramulla: Education and Higher Education Department, 1997. - vol.2,308p.; 28 cm. ISBN: 955-28-0011-0 Subjects--Topical Terms: Education PsychologyEducation Dewey Class. No.: 370.15 / ADH