Elementary arithmetic, its meaning and practice.

Sonraí bibleagrafaíochta
Príomhchruthaitheoir:	Buckingham, Burdette Ross 1876-
Formáid:	LEABHAR
Teanga:	English
Foilsithe / Cruthaithe:	Boston Ginn 1947.
Ábhair:	Number concept. Arithmetic > Foundation.