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[Subject: Generalities]
Translated by: CELESTE MEERSOHN
Translated in 63 languages
Translated by: STEFANIA GASPERINI
Translated in 31 languages
[Subject: Mathematics]
Translated by: MASSIMO PANZA
Translated in 17 languages
[Subject: Psychology]
Translated by: ISAAC SMITH
Translated by: FARHAD PEZESHKI
Translated in 30 languages
[Subject: Chemistry]
Translated in 19 languages