HASAN, S. E. Geology and hazardous waste management. Prentice Hall.
Lua i Stíl Chicago (17ú heag.)HASAN, Syed E. Geology and Hazardous Waste Management. Prentice Hall.
Lua MLA (8ú heag.)HASAN, Syed E. Geology and Hazardous Waste Management. Prentice Hall.
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