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[Subject: Water, Air, Space Transportation]
- äÇÔÝ Ãæ ÞÍØ
Translated by: CHEHAIMI MOHAMAD
Translated in 69 languages
[Subject: Relation Of Natural Factors]
- ÎÇá ãä ÇáãÇÁ æÇáÑØæÈÉ
Translated in 64 languages
[Subject: Generalities]
- ÎÇá ãä ÇáãÇÁ
Translated in 26 languages
Translated in 18 languages
- äÇÔÝ æíÇÈÓ
Translated in 16 languages
Translated by: OMAR DABBOUS
Translated in 1 languages
Translated by: FARHAD PEZESHKI
Translated in 10 languages