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  1. 1

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

    Udgivet 2018
    Få fuldtekst
    Thesis

    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 af Nguyen Mau Dung

    Udgivet 2011
    Bog

    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 af Gunaratne, L.H.P

    Udgivet 2010
    Bog

    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

    Udgivet 1990
    Bog

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

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