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  1. 1

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

    Publié 2018
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    Thèse

    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 par Nguyen Mau Dung

    Publié 2011
    Livre

    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 par Gunaratne, L.H.P

    Publié 2010
    Livre

    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

    Publié 1990
    Livre

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

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