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  1. 1

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

    出版事項 2018
    全文の入手
    学位論文

    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 著者: Nguyen Mau Dung

    出版事項 2011
    図書

    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 著者: Gunaratne, L.H.P

    出版事項 2010
    図書

    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

    出版事項 1990
    図書

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

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