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1دورية
المؤلفون: Cairns, David Martin, Lafon, Charles W., Birt, Andrew G., Waldron, John D., Tchakerian, Maria, Coulson, Robert N., Xi, Weimin, Klepzig, Kier
المصدر: Geography Compass; May 2008, Vol. 2 Issue: 3 p580-599, 20p
المؤلفون: Cairns, David Martin, Lafon, Charles W., Birt, Andrew G., Waldron, John D., Tchakerian, Maria, Coulson, Robert N., Xi, Weimin, Klepzig, Kier
المصدر: Geography Compass; May 2008, Vol. 2 Issue: 3 p580-599, 20p