Socio-economic conditions of rubber smallholders in Sri Lanka : a pre-project study of Ratnapura, Kalutara and Kegalle Districts
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書誌事項
Socio-economic conditions of rubber smallholders in Sri Lanka : a pre-project study of Ratnapura, Kalutara and Kegalle Districts
（Research study series, no. 61）
Agrarian Research and Training Institute, 1984
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注記
Includes bibliographical references