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1著者: Gamage, Dhanawardana### CRL customization ### ?> ### Add publisher and desc details ### ?>
出版事項 1987Colombo, Sri Lanka : Agricultural Planning and Evaluation Division, Agrarian Research and Training Institute, 1987.xx, 178 p. : plans ; 29 cm. -
2著者: Karunanayake, M. M.### CRL customization ### ?> ### Add publisher and desc details ### ?>
出版事項 1992Colombo : Central Environmental Authority, Ministry of Environment & Parliamentary Affairs, [1992]41 p. : maps ; 28 cm.