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816
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200
176
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"The title of this book raises expectations that are hardly fulfilled. One wonders again and again which target group the author had in mind when writing his work: it seems too impractical for practitioners and too unsound for theorists. For example, many of the names and authors cited lack bibliogr ... more
"Two projects to produce learning aids are being implemented. The first is a textbook factory (a graphical industry) which at full capacity will have an annual output of some 30 millions books. The second project is also designed to produce learning aids, mainly plastic, metal and optical products. ... more