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431
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432
Comparative advantage and government price intervention policies in forestry
Argitaratua 1983Liburua -
433
The development of multiple objective programming methods for forest land management planning a survey and evaluation
Argitaratua izan da Philippine Engineering Journal (1983)Artikulua -
434
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435
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436
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437
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438
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439
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440
Guiding land use decisions planning and management for forests and recreation
Argitaratua 1982Liburua