Uduporuwa, Premalal ජීව විද්යාව වැඩ පොත = 11 Shreeniya giiva vidyaava vaedapotha - Colombo: Atlas, 2014. - 132p.; 29cm ISBN: 978-955-1931-17-9 Subjects--Topical Terms: Work BookBiology Dewey Class. No.: 570 / UDU