检索结果 - "Artisanal and small-scale sand mining"

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    Formalization of sand mining in Dar es Salaam, Tanzania

    Formalization of sand mining in Dar es Salaam, Tanzania 由 Shitima, Christina, Suykens , Bert

    出版 2024
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    Formalization of sand mining in Dar es Salaam, Tanzania

    Formalization of sand mining in Dar es Salaam, Tanzania 由 Shitima, Christina, Suykens , Bert

    出版 2024
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