Lebbe, I. (1982). North West Land & Water Resources Development Project: Vanathavillu socio-economic study. Agrarian Research & Training Institute.
Chicago-viite (17. p.)Lebbe, Ishak. North West Land & Water Resources Development Project: Vanathavillu Socio-economic Study. Colombo: Agrarian Research & Training Institute, 1982.
MLA-viite (8. p.)Lebbe, Ishak. North West Land & Water Resources Development Project: Vanathavillu Socio-economic Study. Agrarian Research & Training Institute, 1982.
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