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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
1

An experimental study to determine the relative difficulty of the elementary number combinations in addition and multiplication ...

Holloway, Harry Vance, January 1915 (has links)
Thesis (Ph. D.)--University of Pennsylvania, 1914. / "Bibliography and references": p. 100-102.
2

An experimental study to determine the relative difficulty of the elementary number combinations in addition and multiplication ...

Holloway, Harry Vance, January 1915 (has links)
Thesis (Ph. D.)--University of Pennsylvania, 1914. / "Bibliography and references": p. 100-102.

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