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16861
Air pollution in offices, hospitals and restaurants in Costa Rica
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16862
Applications of geographic information systems in hydrological modeling
by Morera B., Carlos Manuel
Published 1994
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16863
Management plan for the lagoons of the Cañas River (Guanacaste, Costa Rica)
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16864
Soil productivity in the humid tropics a generalized view
by Paniagua V., Amelia
Published 1994
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16865
Intellectual protection, biodiversity and peasantry regimes: some clues to the debate
by Rodríguez C., Silvia
Published 1994
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16866
The internal air quality in Latin America
by Alfaro, María del Rosario
Published 1994
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16867
Sustainability: A reformist vision
by López B., Rodrigo
Published 1994
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16868
The incorporation of forestry extension in the training of forestry professionals at the National University, Costa Rica
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16869
Towards an environmental education strategy
by Fernández A., Francisco
Published 1994
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16870
Notes on the toxicology of pesticides used in tropical crops
by Vega, Sileny
Published 1994
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16871
After ECO'92
by Alfaro G., Maria del Rosario
Published 1993
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16872
Ecological Conservation: Fundamental duty of our generation
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16873
The Earth Summit
by Bravo, Hernán
Published 1993
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16874
The Forests of Central America and Health: Suggestions for an action program
by Budowski, Gerardo
Published 1993
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16875
Twenty years of Conservation in Brazil: From nature lovers to the Global Forum in Rio de Janeiro
by Mo, Claudette
Published 1993
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16876
The Global Forum: Power of the People in Rio de Janeiro ECO'92
by Vaughan, Christopher
Published 1993
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16877
The Air a Resource Without Borders, discussed in Agenda 21
by Alfaro, María del Rosario
Published 1993
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16878
The Inevitable Ascension of Sustainable Development
by Mora Castellanos, Eduardo
Published 1993
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16879
Social and Economic Dimensions of Agenda 21
by Boyce, James K.
Published 1993
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16880
Investments in Natural and Human Capital in developing countries
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