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[Subject: Astronomy & Allied Sciences]
Translated by: OMAR DABBOUS
Translated in 143 languages
[Subject: Sciences Of Earth & Worlds]
- ãä íÊÕÝ ÈÇáÚáã æÇáãÚÑÝÉ
Translated by: CHEHAIMI MOHAMAD
Translated in 46 languages
[Subject: Generalities]
Translated in 8 languages