431-86

Editor: Prof. Jay Schiffman
Associate Editor:
Volume: 43
Issue: 1
Whole Number: 86
Year: 11XX
Subject: “Almost Base Twenty”; “Dozenals in the Classroom”
http://www.dozenal.org/drupal/sites_bck/default/files/DuodecimalBulletinIssue431-web_0.pdf