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|a Sistema de Bibliotecas de la Universidad Nacional de Agricultura
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|a 99-77-47-194-0
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|a 333.7728
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|a Sain, Gustavo
|9 2710
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|a Desafios presentes y futuros del medio ambiente y la productividad en la agreompresa Centroamericana /
|c Gustavo Sain
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|a San Jose, Costa Rica,
|b INCAE,
|c 1995
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300 |
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|a 96 p.
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|x RECURSOS NATURALES
|x AMERICA CENTRAL
|x MEDIO AMBIENTE
|9 2711
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