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1by Gunawardena, P. J.### CRL customization ### ?> ### Add publisher and desc details ### ?>
Published 1980Colombo : Agrarian Research and Training Institute, 1980.xii, 181 p. : ill. ; 30 cm.“...Agrarian Research and Training Institute,...”
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2by Abeysekara, Terrence, 1947-### CRL customization ### ?> ### Add publisher and desc details ### ?>
Published 1974Colombo : Agrarian Research and Training Institute, [1974]vi, 66 p. : maps ; 30 cm.“...Agrarian Research and Training Institute,...”