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1by Perera, U. L. Jayantha### CRL customization ### ?> ### Add publisher and desc details ### ?>
Published 1980Colombo : Agrarian Research and Training Institute, 1980.vi, 140 p. : map ; 30 cm.“...Research study (Agrarian Research and Training Institute) ;...”
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2by Gunawardena, P. J.### CRL customization ### ?> ### Add publisher and desc details ### ?>
Published 1980Colombo : Agrarian Research and Training Institute, 1980.xii, 181 p. : ill. ; 30 cm.“...Research study (Agrarian Research and Training Institute) ;...”