TWENTY YEARS OF THE ASSOCIATION OF TEACHERS OF MATHEMATICS IN NEW ENGLAND

Autor:	Seaver, E. P., Osgood, W. F., Evans, G. W., Francis, W. A., Hobbs, C. A., Parish, Roswell, Tyler, H. W.
Zdroj:	The Mathematics Teacher, 1924 Feb 01. 17(2), 94-103.
Databáze:	JSTOR Journals
Externí odkaz:	https://www.jstor.org/stable/27950588 Zobrazit plný text záznamu