Pathiraja, M.P.K. Niyangaya saha api - NSF Colombo 2009 - 29p. - Natural Disasters Drought Sri Lanka http://thakshana.nsf.ac.lk/slstic/NA-277/NA-277.pdf ISBN: 978-955-590-101-7 = Pathiraja, M.P.K. Standard No.: M Standard Tech. Report. No.: LCCN: B Nat. Bib. No.: NA-277 Nat. Bib. Agency Control No.: NA-277 Subjects--Topical Terms: Disaster Management Universal Decimal Class. No.: 551.311.235(548.7)