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[Subject: Generalities]
Translated by: DAVID LAURENT
Translated in 21 languages
[Subject: Mathematics]
Translated in 18 languages
Translated in 17 languages
Translated in 9 languages
[Subject: Language]
Translated in 7 languages
[Subject: Data Processing Computer Science]
Translated in 6 languages
[Subject: Education]
Translated in 5 languages
[Subject: Heating, Ventilating, Air Conditioning]
Translated in 4 languages