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Dissertations & Theses
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Is Is Not
Heubner, Bernhard Philip
Subject (Local Yale): Is
Is Is Not
Dissertations, Academic Education
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Current results range from 1922 to 1928

1.
The relative effectiveness of drill periods of different length and frequency in arithmetic
Author
Heubner, Bernhard Philip
Published
1928.
Online
Online book
Location
HathiTrust Digital Library >> Online Resource
Format
Books / Online
2.
The technique and procedure employed in a study of the relative difficulty of the elementary number combinations
Author
Heubner, Bernhard Philip
Published
1922.
Online
Online book
Location
HathiTrust Digital Library >> Online Resource
Format
Books / Online