Siriweera, Indrakeerthi ශ්රී ලංකාවේ කෘෂි ඉතිහාසය = Sri Lankawe krushi ithihasaya - 2nd Ed.; - Colombo Godage, 2013 - 160p.; 21cm ISBN: 9789552010314 Subjects--Topical Terms: Agricultural Dewey Class. No.: 630.9549 / SIR