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1
Isolation and characterization of zinc resistant bacteria from an inactive black sand mining site in Dagupan City, Pangasinan
Foilsithe / Cruthaithe 2018Faigh an téacs iomlán
Tráchtas -
2
River sand mining and management a case of Cau River in Bac Ninh Province, Vietnam
Foilsithe / Cruthaithe 2011LEABHAR -
3
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4
Guidelines in the acquisition of permit for sand and gravel and other construction materials
Foilsithe / Cruthaithe 1990LEABHAR