Open AccessEconomy of Time in Arithmetic
Author(s) -
Walter A. Jessup
Publication year - 1914
Publication title -
the elementary school teacher/the elementary school teacher
Language(s) - English
Resource type - Journals
eISSN - 1937-4364
pISSN - 1545-5858
DOI - 10.1086/454358
Subject(s) - download , mathematics education , arithmetic , history , computer science , psychology , mathematics , world wide web