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[Subject: General Nature Of Life]
Translated by: OMAR DABBOUS
Translated in 97 languages
[Subject: Geology, Meteorology, Hydrology]
Translated by: ROUCHDI ABDEL MAJID
Translated in 44 languages
[Subject: General Geography Travel]
Translated by: FARHAD PEZESHKI
Translated in 41 languages
[Subject: Generalities]
Translated in 45 languages
Translated by: CHEHAIMI MOHAMAD
Translated in 36 languages