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" Difficulties which the pupil cannot surmount without an expenditure of time and effort out of all proportion to the benefit received should be cleared up sufficiently to enable him to utilize his time to the best advantage. "
How to Teach Agriculture: A Book of Methods in this Subject - Seite 29
von Ashley Van Storm, Kary Cadmus Davis - 1921 - 434 Seiten
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The Great Peace

Harry Huntington Powers - 1918 - 360 Seiten
...prepared or served by other than the usual method. The result is at the least, a vast inconvenience and an expenditure of time and effort out of all proportion to the advantage gained, which last is almost invariably nil. The writer has had rather unusual opportunity...
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Proceedings, Band 2

1949 - 182 Seiten
[ Der Inhalt dieser Seite ist beschränkt. ]

Large-scale Organisation: A First-hand Account of the Day-to-day ...

George Esmond Milward - 1950 - 258 Seiten
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