Abeypala, Roland නව ඉගෙනුම් ප්රවණතා 5 = nava igenum pravaNathaa 5 - Kottawa: Sara, 2016. - 120p.; 22 cm. ISBN: 978-955-584-528-1 Subjects--Topical Terms: Educational Phychology Dewey Class. No.: 370.15 / ABE