Warakadeniya, Chandra පරමාණු ලොවට ඇතුළු වන්න = paramaaNu lovata aethulu vanna - Battaramulla: Author, 2003. - 148p.; 27cm ISBN: 955-96435-4-1 Subjects--Topical Terms: Inorganic chemistry Hydrogen and its compounds Dewey Class. No.: 546.2 / WAR