Обложка книги Mental Fatigue; A Comprehensive Exposition Of The Nature Of Mental Fatigue, Of The Methods Of Its Measurement And Of Their Results, With Special Reference To The Problems Of Instruction., Max Offner  
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2008
140 страниц
Категория: Литература на иностранных языках
ISBN: 9781408687345
Язык: Английский

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📕 Many of the earliest books, particularly those dating back to the 1900s and before, are now extremely scarce and increasingly expensive. We are republishing these classic works in affordable, high quality, modern editions, using the original text and artwork.
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