Weerasooriya, Gunasiri හෙළ සභ්යත්වය හැඳින්වීමක් = heLa saByathvaya hadinveemak - Warakapola : Ariya Publishers, 2000. - 186p ill.; 21cm ISBN: 9555531633 Subjects--Topical Terms: Social InstitutionsSocial Culture Dewey Class. No.: 306.085493 / WEE