Gunasekara, Saman Pushpa ජල සම්පත = jala sampatha: apa jivathvana lokaya 1 - Colombo : Godage, 2015. - 104p.; Col.ill.; 23cm ISBN: 978-955-30-5703-7 Subjects--Topical Terms: Water Dewey Class. No.: 553.7 / GUN