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  1. 1

    Isolation and characterization of zinc resistant bacteria from an inactive black sand mining site in Dagupan City, Pangasinan av Arroyo, Patricia Kaye, Cachola, Lorenz Bryan, Sunga, Gabriel

    Publicerad 2018
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    Isolation and characterization of zinc resistant bacteria from an inactive black sand mining site in Dagupan City, Pangasinan
  2. 2

    River sand mining and management a case of Cau River in Bac Ninh Province, Vietnam av Nguyen Mau Dung

    Publicerad 2011
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    River sand mining and management a case of Cau River in Bac Ninh Province, Vietnam
  3. 3

    Policy options for sustainable river sand mining in Sri Lanka av Gunaratne, L.H.P

    Publicerad 2010
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    Policy options for sustainable river sand mining in Sri Lanka
  4. 4

    Guidelines in the acquisition of permit for sand and gravel and other construction materials

    Publicerad 1990
    Bok

    Guidelines in the acquisition of permit for sand and gravel and other construction materials

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