Kossinna, C. Welianga, W. කුඹුර බත උපදවන ගොහොරු බිම - Boralesgamuwa Visidunu Publisher 2021 - 20p. 1 LK - Kumbura%Paddy field - 2022-02-09 - Purchase ISBN: 978-955-1741-97-6 Nat. Bib. No.: 7632 Nat. Bib. Agency Control No.: 633(548.7)KOS Subjects--Topical Terms: Agriculture Universal Decimal Class. No.: 633 1