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Lua i Stíl Chicago (17ú heag.)Mardones Poblete, Cristian, agus Andrea Hernández Cid. Subsidy Analysis to the Forestry Sector of the Biobío Region, Chile. Instituto de Ecología, A.C, 2017.
Lua MLA (9ú heag.)Mardones Poblete, Cristian, agus Andrea Hernández Cid. Subsidy Analysis to the Forestry Sector of the Biobío Region, Chile. Instituto de Ecología, A.C, 2017.