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1. El deterioro ambiental, algunas alternativas de solución

by López, Gladys | Ulloa, Janeth.

Material type: Text Text; Literary form: Not fiction Publisher: Quito Fundación Natura 1990Availability: Items available for loan: BIBLIOTECA GENERAL [Call number: 344.046/L864d] (1).

2. Principales problemas ambientales, de salud pública y saneamiento del Ecuador

by Mena, Patricio.

Material type: Text Text; Literary form: Not fiction Publisher: Quito FUNDACION NATURA-EDUNAT III 1991Availability: Items available for loan: BIBLIOTECA GENERAL [Call number: 344.046/M534p] (1).

3. Memorias del simposio Nacional de Areas Protegidas del Ecuador

by Fundación Natura.

Material type: Text Text; Literary form: Not fiction Publisher: Quito A and H 1995Availability: Items available for loan: BIBLIOTECA GENERAL [Call number: 591.55/F981m] (1).

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