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[Subject: Generalities]
- ÛíÑ ãÊÒæÌ
Translated by: CHEHAIMI MOHAMAD
Translated in 47 languages
[Subject: Relation Of Natural Factors]
Translated by: ROUCHDI ABDEL MAJID
Translated in 8 languages
Translated in 1 languages
Translated by: OMAR DABBOUS
Translated in 35 languages