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ए विकि पर "Noted Seven" नाँव के पन्ना बनाईं! अपनी खोज से मिलल पन्ना देखीं
and first chair in geography at the Humboldt University of Berlin, also noted for his use of organic analogy in his works. फ्रेडरिख रेटजेल (1844–1904)...32 KB (2,235 शब्द) - 03:45, 29 सितंबर 2023
