Athapaththu, Danny ආර්ථික විද්යා ප්රවේශය 1 = aarthika vidya praveSHaya 1 ,2 - Mathara: Author, 2009. - xiv,530p.; 24 cm. ISBN: 978-955-51363-0-3 Subjects--Topical Terms: Economics Dewey Class. No.: 330 / ATH