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
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