Evaluation of surface drainage methods for imperfectly drained reddish ... /

Evaluation of surface drainage methods for imperfectly drained reddish ... /

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Bibliographic Details
Main Author:	Piyathilaka, Mahadurage
Format:	Book
Language:	Sinhalese
Published:	[S.L.]: Author 1989
Subjects:	Theses and dissertations Agriculture Social sciences
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