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[Subject: Generalities]
- ÕáÈ ÔÏíÏ. Þæí æØíÏ
Translated by: CHEHAIMI MOHAMAD
Translated in 11 languages
Translated in 3 languages
[Subject: Physics]
Translated by: FARHAD PEZESHKI
Translated in 26 languages
Translated in 21 languages