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1كتاب إلكتروني
المؤلفون: Brocx, M.Aff5, Semeniuk, V.Aff6
المساهمون: Eder, Wolfgang, Series editorAff1, Errami, Ezzoura, editorAff2, Brocx, Margaret, editorAff3, Semeniuk, Vic, editorAff4
المصدر: From Geoheritage to Geoparks : Case Studies from Africa and Beyond. :245-259
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2كتاب إلكتروني
المؤلفون: Semeniuk, V.Aff5, Semeniuk, C. A.Aff5, Trend, F.Aff5, Brocx, M.Aff6
المساهمون: Eder, Wolfgang, Series editorAff1, Errami, Ezzoura, editorAff2, Brocx, Margaret, editorAff3, Semeniuk, Vic, editorAff4
المصدر: From Geoheritage to Geoparks : Case Studies from Africa and Beyond. :261-269