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[Subject: Mathematics]
- ÚÏÏ íÖÇÝ Úáì ÛíÑå . äåÇíÉ ßá ÚÏÏ Ãæ ãÈáÛ ãÖÇÝ
Translated by: CHEHAIMI MOHAMAD
Translated in 22 languages
[Subject: Generalities]
Translated by: ROUCHDI ABDEL MAJID