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[Subject: Generalities]
Translated by: RHISIART HINCKS
Translated in 63 languages
Translated by: KEVIN FLYNN
Translated in 54 languages
Translated in 9 languages
[Subject: Psychology]
Translated in 86 languages
Translated in 57 languages
Translated in 41 languages
Translated in 17 languages
Translated in 6 languages