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Dyfyniad Arddull ChicagoRENEWABLE and Dennis L. LITTLE. Renewable Natural Resource: A Management Handbook Forthe 1980s. Colorado: Westview Press, 1982.
Dyfyniad MLARENEWABLE and Dennis L. LITTLE. Renewable Natural Resource: A Management Handbook Forthe 1980s. Westview Press, 1982.
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