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Twiss, George Ransom, 1863-

A textbook in the principles of science teaching. - New York, The Macmillan Company, 1917. - xxvi, 486 p. : ill. ; 21 cm. - Text-book series in education .

Contains bibliographies.

17025303


Science--Study and teaching.

Q181 / .T99

507 / TWT
Last Updated on September 15, 2019
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