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291
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292
Marginal opportunity cost pricing for wastewater disposal a case study of Wuxi China
Publicado em 1999Livro -
293
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294
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295
Water quality improvements a contingent valuation study of Chao Phraya River
Publicado em 1999Livro -
296
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297
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298
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299
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300
Tradable discharge permits system for water pollution of the Upper Nanpan River, China
Publicado em 1998Livro