Liyanage, W. K. D. D Faunal deversity in rice fields under organic and inorganic based farming systems in wet zone of Sri Lanka - (74) - Kamburupitiya W. K. D. D. Liyanage 2005 - xv,110 p. Subjects--Topical Terms: BIODIVERSITYPOST GRADUATE THESIS ENGLISHTHESISZOOLOGY Dewey Class. No.: 591.95493 / LIY