Hänvisningar gällande denna post
APA-referensAssiut University Bulletin for Environmental Researches. Assiut University Center for Environmental Studies.
Chicago-stil citatAssiut University Bulletin for Environmental Researches. Assiut, Egypt: Assiut University Center for Environmental Studies.
MLA-referensAssiut University Bulletin for Environmental Researches. Assiut University Center for Environmental Studies.
Harvard-stil citatAssiut University Bulletin for Environmental Researches. Assiut, Egypt: Assiut University Center for Environmental Studies.
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